Trigonometry Examples

${(\sqrt{14} (\cos (120) + i \cdot \sin (120)))}^{4}$

Step 1

Simplify each term.

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Step 1.1

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cosine is negative in the second quadrant.

${(\sqrt{14} (- \cos (60) + i \cdot \sin (120)))}^{4}$

Step 1.2

The exact value of $\cos (60)$ is $\frac{1}{2}$ .

${(\sqrt{14} (- \frac{1}{2} + i \cdot \sin (120)))}^{4}$

Step 1.3

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.

${(\sqrt{14} (- \frac{1}{2} + i \cdot \sin (60)))}^{4}$

Step 1.4

The exact value of $\sin (60)$ is $\frac{\sqrt{3}}{2}$ .

${(\sqrt{14} (- \frac{1}{2} + \frac{i \sqrt{3}}{2}))}^{4}$

Step 2

Simplify terms.

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Step 2.1

Apply the distributive property.

${(\sqrt{14} (- \frac{1}{2}) + \sqrt{14} \frac{i \sqrt{3}}{2})}^{4}$

Step 2.2

Combine $\sqrt{14}$ and $\frac{1}{2}$ .

${(- \frac{\sqrt{14}}{2} + \sqrt{14} \frac{i \sqrt{3}}{2})}^{4}$

Step 3

Multiply $\sqrt{14} \frac{i \sqrt{3}}{2}$ .

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Step 3.1

Combine $\sqrt{14}$ and $\frac{i \sqrt{3}}{2}$ .

${(- \frac{\sqrt{14}}{2} + \frac{\sqrt{14} (i \sqrt{3})}{2})}^{4}$

Step 3.2

Combine using the product rule for radicals.

${(- \frac{\sqrt{14}}{2} + \frac{\sqrt{3 \cdot 14} i}{2})}^{4}$

Step 3.3

Multiply $3$ by $14$ .

${(- \frac{\sqrt{14}}{2} + \frac{\sqrt{42} i}{2})}^{4}$

Step 4

Use the Binomial Theorem.

${(- \frac{\sqrt{14}}{2})}^{4} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5

Simplify terms.

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Step 5.1

Simplify each term.

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Step 5.1.1

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 5.1.1.1

Apply the product rule to $- \frac{\sqrt{14}}{2}$ .

${(- 1)}^{4} {(\frac{\sqrt{14}}{2})}^{4} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.1.2

Apply the product rule to $\frac{\sqrt{14}}{2}$ .

${(- 1)}^{4} \frac{{\sqrt{14}}^{4}}{2^{4}} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.2

Raise $- 1$ to the power of $4$ .

$1 \frac{{\sqrt{14}}^{4}}{2^{4}} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.3

Multiply $\frac{{\sqrt{14}}^{4}}{2^{4}}$ by $1$ .

$\frac{{\sqrt{14}}^{4}}{2^{4}} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.4

Simplify the numerator.

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Step 5.1.4.1

Rewrite ${\sqrt{14}}^{4}$ as $14^{2}$ .

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Step 5.1.4.1.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{14}$ as $14^{\frac{1}{2}}$ .

$\frac{{(14^{\frac{1}{2}})}^{4}}{2^{4}} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.4.1.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{14^{\frac{1}{2} \cdot 4}}{2^{4}} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.4.1.3

Combine $\frac{1}{2}$ and $4$ .

$\frac{14^{\frac{4}{2}}}{2^{4}} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.4.1.4

Cancel the common factor of $4$ and $2$ .

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Step 5.1.4.1.4.1

Factor $2$ out of $4$ .

$\frac{14^{\frac{2 \cdot 2}{2}}}{2^{4}} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.4.1.4.2

Cancel the common factors.

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Step 5.1.4.1.4.2.1

Factor $2$ out of $2$ .

$\frac{14^{\frac{2 \cdot 2}{2 (1)}}}{2^{4}} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.4.1.4.2.2

Cancel the common factor.

$\frac{14^{\frac{2 \cdot 2}{2 \cdot 1}}}{2^{4}} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.4.1.4.2.3

Rewrite the expression.

$\frac{14^{\frac{2}{1}}}{2^{4}} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.4.1.4.2.4

Divide $2$ by $1$ .

$\frac{14^{2}}{2^{4}} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.4.2

Raise $14$ to the power of $2$ .

$\frac{196}{2^{4}} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.5

Raise $2$ to the power of $4$ .

$\frac{196}{16} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.6

Cancel the common factor of $196$ and $16$ .

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Step 5.1.6.1

Factor $4$ out of $196$ .

$\frac{4 (49)}{16} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.6.2

Cancel the common factors.

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Step 5.1.6.2.1

Factor $4$ out of $16$ .

$\frac{4 \cdot 49}{4 \cdot 4} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.6.2.2

Cancel the common factor.

Step 5.1.6.2.3

Rewrite the expression.

$\frac{49}{4} + 4 {(- \frac{\sqrt{14}}{2})}^{3} \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.7

Cancel the common factor of $2$ .

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Step 5.1.7.1

Factor $2$ out of $4 {(- \frac{\sqrt{14}}{2})}^{3}$ .

$\frac{49}{4} + 2 (2 {(- \frac{\sqrt{14}}{2})}^{3}) \frac{\sqrt{42} i}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.7.2

Cancel the common factor.

Step 5.1.7.3

Rewrite the expression.

$\frac{49}{4} + 2 {(- \frac{\sqrt{14}}{2})}^{3} (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.8

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 5.1.8.1

Apply the product rule to $- \frac{\sqrt{14}}{2}$ .

$\frac{49}{4} + 2 ({(- 1)}^{3} {(\frac{\sqrt{14}}{2})}^{3}) (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.8.2

Apply the product rule to $\frac{\sqrt{14}}{2}$ .

$\frac{49}{4} + 2 ({(- 1)}^{3} \frac{{\sqrt{14}}^{3}}{2^{3}}) (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.9

Raise $- 1$ to the power of $3$ .

$\frac{49}{4} + 2 (- \frac{{\sqrt{14}}^{3}}{2^{3}}) (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.10

Simplify the numerator.

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Step 5.1.10.1

Rewrite ${\sqrt{14}}^{3}$ as $\sqrt{14^{3}}$ .

$\frac{49}{4} + 2 (- \frac{\sqrt{14^{3}}}{2^{3}}) (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.10.2

Raise $14$ to the power of $3$ .

$\frac{49}{4} + 2 (- \frac{\sqrt{2744}}{2^{3}}) (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.10.3

Rewrite $2744$ as $14^{2} \cdot 14$ .

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Step 5.1.10.3.1

Factor $196$ out of $2744$ .

$\frac{49}{4} + 2 (- \frac{\sqrt{196 (14)}}{2^{3}}) (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.10.3.2

Rewrite $196$ as $14^{2}$ .

$\frac{49}{4} + 2 (- \frac{\sqrt{14^{2} \cdot 14}}{2^{3}}) (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.10.4

Pull terms out from under the radical.

$\frac{49}{4} + 2 (- \frac{14 \sqrt{14}}{2^{3}}) (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.11

Raise $2$ to the power of $3$ .

$\frac{49}{4} + 2 (- \frac{14 \sqrt{14}}{8}) (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.12

Cancel the common factor of $2$ .

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Step 5.1.12.1

Move the leading negative in $- \frac{14 \sqrt{14}}{8}$ into the numerator.

$\frac{49}{4} + 2 \frac{- 14 \sqrt{14}}{8} (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.12.2

Factor $2$ out of $8$ .

$\frac{49}{4} + 2 \frac{- 14 \sqrt{14}}{2 (4)} (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.12.3

Cancel the common factor.

$\frac{49}{4} + 2 \frac{- 14 \sqrt{14}}{2 \cdot 4} (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.12.4

Rewrite the expression.

$\frac{49}{4} + \frac{- 14 \sqrt{14}}{4} (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.13

Cancel the common factor of $- 14$ and $4$ .

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Step 5.1.13.1

Factor $2$ out of $- 14 \sqrt{14}$ .

$\frac{49}{4} + \frac{2 (- 7 \sqrt{14})}{4} (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.13.2

Cancel the common factors.

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Step 5.1.13.2.1

Factor $2$ out of $4$ .

$\frac{49}{4} + \frac{2 (- 7 \sqrt{14})}{2 (2)} (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.13.2.2

Cancel the common factor.

$\frac{49}{4} + \frac{2 (- 7 \sqrt{14})}{2 \cdot 2} (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.13.2.3

Rewrite the expression.

$\frac{49}{4} + \frac{- 7 \sqrt{14}}{2} (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.14

Move the negative in front of the fraction.

$\frac{49}{4} - \frac{7 \sqrt{14}}{2} (\sqrt{42} i) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.15

Multiply $- \frac{7 \sqrt{14}}{2} (\sqrt{42} i)$ .

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Step 5.1.15.1

Combine $\sqrt{42}$ and $\frac{7 \sqrt{14}}{2}$ .

$\frac{49}{4} - \frac{\sqrt{42} (7 \sqrt{14})}{2} i + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.15.2

Combine using the product rule for radicals.

$\frac{49}{4} - \frac{7 \sqrt{42 \cdot 14}}{2} i + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.15.3

Multiply $42$ by $14$ .

$\frac{49}{4} - \frac{7 \sqrt{588}}{2} i + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.15.4

Combine $i$ and $\frac{7 \sqrt{588}}{2}$ .

$\frac{49}{4} - \frac{i (7 \sqrt{588})}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.16

Simplify the numerator.

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Step 5.1.16.1

Rewrite $588$ as $14^{2} \cdot 3$ .

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Step 5.1.16.1.1

Factor $196$ out of $588$ .

$\frac{49}{4} - \frac{i \cdot 7 \sqrt{196 (3)}}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.16.1.2

Rewrite $196$ as $14^{2}$ .

$\frac{49}{4} - \frac{i \cdot 7 \sqrt{14^{2} \cdot 3}}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.16.2

Pull terms out from under the radical.

$\frac{49}{4} - \frac{i \cdot 7 \cdot 14 \sqrt{3}}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.16.3

Multiply $14$ by $7$ .

$\frac{49}{4} - \frac{i \cdot 98 \sqrt{3}}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.17

Move $98$ to the left of $i$ .

$\frac{49}{4} - \frac{98 i \sqrt{3}}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.18

Cancel the common factor of $98$ and $2$ .

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Step 5.1.18.1

Factor $2$ out of $98 i \sqrt{3}$ .

$\frac{49}{4} - \frac{2 (49 i \sqrt{3})}{2} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.18.2

Cancel the common factors.

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Step 5.1.18.2.1

Factor $2$ out of $2$ .

$\frac{49}{4} - \frac{2 (49 i \sqrt{3})}{2 (1)} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.18.2.2

Cancel the common factor.

$\frac{49}{4} - \frac{2 (49 i \sqrt{3})}{2 \cdot 1} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.18.2.3

Rewrite the expression.

$\frac{49}{4} - \frac{49 i \sqrt{3}}{1} + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.18.2.4

Divide $49 i \sqrt{3}$ by $1$ .

$\frac{49}{4} - (49 i \sqrt{3}) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.19

Multiply $49$ by $- 1$ .

$\frac{49}{4} - 49 (i \sqrt{3}) + 6 {(- \frac{\sqrt{14}}{2})}^{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.20

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 5.1.20.1

Apply the product rule to $- \frac{\sqrt{14}}{2}$ .

$\frac{49}{4} - 49 i \sqrt{3} + 6 ({(- 1)}^{2} {(\frac{\sqrt{14}}{2})}^{2}) {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.20.2

Apply the product rule to $\frac{\sqrt{14}}{2}$ .

$\frac{49}{4} - 49 i \sqrt{3} + 6 ({(- 1)}^{2} \frac{{\sqrt{14}}^{2}}{2^{2}}) {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.21

Raise $- 1$ to the power of $2$ .

$\frac{49}{4} - 49 i \sqrt{3} + 6 (1 \frac{{\sqrt{14}}^{2}}{2^{2}}) {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.22

Multiply $\frac{{\sqrt{14}}^{2}}{2^{2}}$ by $1$ .

$\frac{49}{4} - 49 i \sqrt{3} + 6 \frac{{\sqrt{14}}^{2}}{2^{2}} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.23

Rewrite ${\sqrt{14}}^{2}$ as $14$ .

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Step 5.1.23.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{14}$ as $14^{\frac{1}{2}}$ .

$\frac{49}{4} - 49 i \sqrt{3} + 6 \frac{{(14^{\frac{1}{2}})}^{2}}{2^{2}} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.23.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{49}{4} - 49 i \sqrt{3} + 6 \frac{14^{\frac{1}{2} \cdot 2}}{2^{2}} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.23.3

Combine $\frac{1}{2}$ and $2$ .

$\frac{49}{4} - 49 i \sqrt{3} + 6 \frac{14^{\frac{2}{2}}}{2^{2}} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.23.4

Cancel the common factor of $2$ .

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Step 5.1.23.4.1

Cancel the common factor.

$\frac{49}{4} - 49 i \sqrt{3} + 6 \frac{14^{\frac{2}{2}}}{2^{2}} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.23.4.2

Rewrite the expression.

$\frac{49}{4} - 49 i \sqrt{3} + 6 \frac{14^{1}}{2^{2}} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.23.5

Evaluate the exponent.

$\frac{49}{4} - 49 i \sqrt{3} + 6 \frac{14}{2^{2}} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.24

Raise $2$ to the power of $2$ .

$\frac{49}{4} - 49 i \sqrt{3} + 6 (\frac{14}{4}) {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.25

Cancel the common factor of $2$ .

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Step 5.1.25.1

Factor $2$ out of $6$ .

$\frac{49}{4} - 49 i \sqrt{3} + 2 (3) \frac{14}{4} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.25.2

Factor $2$ out of $4$ .

$\frac{49}{4} - 49 i \sqrt{3} + 2 \cdot 3 \frac{14}{2 \cdot 2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.25.3

Cancel the common factor.

$\frac{49}{4} - 49 i \sqrt{3} + 2 \cdot 3 \frac{14}{2 \cdot 2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.25.4

Rewrite the expression.

$\frac{49}{4} - 49 i \sqrt{3} + 3 (\frac{14}{2}) {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.26

Combine $3$ and $\frac{14}{2}$ .

$\frac{49}{4} - 49 i \sqrt{3} + \frac{3 \cdot 14}{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.27

Multiply $3$ by $14$ .

$\frac{49}{4} - 49 i \sqrt{3} + \frac{42}{2} {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.28

Divide $42$ by $2$ .

$\frac{49}{4} - 49 i \sqrt{3} + 21 {(\frac{\sqrt{42} i}{2})}^{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.29

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 5.1.29.1

Apply the product rule to $\frac{\sqrt{42} i}{2}$ .

$\frac{49}{4} - 49 i \sqrt{3} + 21 \frac{{(\sqrt{42} i)}^{2}}{2^{2}} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.29.2

Apply the product rule to $\sqrt{42} i$ .

$\frac{49}{4} - 49 i \sqrt{3} + 21 \frac{{\sqrt{42}}^{2} i^{2}}{2^{2}} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.30

Simplify the numerator.

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Step 5.1.30.1

Rewrite ${\sqrt{42}}^{2}$ as $42$ .

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Step 5.1.30.1.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{42}$ as $42^{\frac{1}{2}}$ .

$\frac{49}{4} - 49 i \sqrt{3} + 21 \frac{{(42^{\frac{1}{2}})}^{2} i^{2}}{2^{2}} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.30.1.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{49}{4} - 49 i \sqrt{3} + 21 \frac{42^{\frac{1}{2} \cdot 2} i^{2}}{2^{2}} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.30.1.3

Combine $\frac{1}{2}$ and $2$ .

$\frac{49}{4} - 49 i \sqrt{3} + 21 \frac{42^{\frac{2}{2}} i^{2}}{2^{2}} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.30.1.4

Cancel the common factor of $2$ .

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Step 5.1.30.1.4.1

Cancel the common factor.

$\frac{49}{4} - 49 i \sqrt{3} + 21 \frac{42^{\frac{2}{2}} i^{2}}{2^{2}} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.30.1.4.2

Rewrite the expression.

$\frac{49}{4} - 49 i \sqrt{3} + 21 \frac{42^{1} i^{2}}{2^{2}} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.30.1.5

Evaluate the exponent.

$\frac{49}{4} - 49 i \sqrt{3} + 21 \frac{42 i^{2}}{2^{2}} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.30.2

Rewrite $i^{2}$ as $- 1$ .

$\frac{49}{4} - 49 i \sqrt{3} + 21 \frac{42 \cdot - 1}{2^{2}} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.31

Raise $2$ to the power of $2$ .

$\frac{49}{4} - 49 i \sqrt{3} + 21 \frac{42 \cdot - 1}{4} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.32

Multiply $42$ by $- 1$ .

$\frac{49}{4} - 49 i \sqrt{3} + 21 (\frac{- 42}{4}) + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.33

Cancel the common factor of $- 42$ and $4$ .

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Step 5.1.33.1

Factor $2$ out of $- 42$ .

$\frac{49}{4} - 49 i \sqrt{3} + 21 \frac{2 (- 21)}{4} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.33.2

Cancel the common factors.

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Step 5.1.33.2.1

Factor $2$ out of $4$ .

$\frac{49}{4} - 49 i \sqrt{3} + 21 \frac{2 \cdot - 21}{2 \cdot 2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.33.2.2

Cancel the common factor.

$\frac{49}{4} - 49 i \sqrt{3} + 21 \frac{2 \cdot - 21}{2 \cdot 2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.33.2.3

Rewrite the expression.

$\frac{49}{4} - 49 i \sqrt{3} + 21 (\frac{- 21}{2}) + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.34

Move the negative in front of the fraction.

$\frac{49}{4} - 49 i \sqrt{3} + 21 (- \frac{21}{2}) + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.35

Multiply $21 (- \frac{21}{2})$ .

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Step 5.1.35.1

Multiply $- 1$ by $21$ .

$\frac{49}{4} - 49 i \sqrt{3} - 21 (\frac{21}{2}) + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.35.2

Combine $- 21$ and $\frac{21}{2}$ .

$\frac{49}{4} - 49 i \sqrt{3} + \frac{- 21 \cdot 21}{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.35.3

Multiply $- 21$ by $21$ .

$\frac{49}{4} - 49 i \sqrt{3} + \frac{- 441}{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.36

Move the negative in front of the fraction.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 4 (- \frac{\sqrt{14}}{2}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.37

Cancel the common factor of $2$ .

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Step 5.1.37.1

Move the leading negative in $- \frac{\sqrt{14}}{2}$ into the numerator.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 4 \frac{- \sqrt{14}}{2} {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.37.2

Factor $2$ out of $4$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 2 (2) \frac{- \sqrt{14}}{2} {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.37.3

Cancel the common factor.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 2 \cdot 2 \frac{- \sqrt{14}}{2} {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.37.4

Rewrite the expression.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 2 (- \sqrt{14}) {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.38

Multiply $- 1$ by $2$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} {(\frac{\sqrt{42} i}{2})}^{3} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.39

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 5.1.39.1

Apply the product rule to $\frac{\sqrt{42} i}{2}$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{{(\sqrt{42} i)}^{3}}{2^{3}} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.39.2

Apply the product rule to $\sqrt{42} i$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{{\sqrt{42}}^{3} i^{3}}{2^{3}} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.40

Simplify the numerator.

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Step 5.1.40.1

Rewrite ${\sqrt{42}}^{3}$ as $\sqrt{42^{3}}$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{\sqrt{42^{3}} i^{3}}{2^{3}} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.40.2

Raise $42$ to the power of $3$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{\sqrt{74088} i^{3}}{2^{3}} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.40.3

Rewrite $74088$ as $42^{2} \cdot 42$ .

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Step 5.1.40.3.1

Factor $1764$ out of $74088$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{\sqrt{1764 (42)} i^{3}}{2^{3}} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.40.3.2

Rewrite $1764$ as $42^{2}$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{\sqrt{42^{2} \cdot 42} i^{3}}{2^{3}} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.40.4

Pull terms out from under the radical.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{42 \sqrt{42} i^{3}}{2^{3}} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.40.5

Factor out $i^{2}$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{42 \sqrt{42} (i^{2} \cdot i)}{2^{3}} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.40.6

Rewrite $i^{2}$ as $- 1$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{42 \sqrt{42} (- 1 \cdot i)}{2^{3}} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.40.7

Rewrite $- 1 i$ as $- i$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{42 \sqrt{42} \cdot - 1 i}{2^{3}} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.40.8

Combine exponents.

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Step 5.1.40.8.1

Factor out negative.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{- (42 \sqrt{42} i)}{2^{3}} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.40.8.2

Multiply $42$ by $- 1$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{- 42 (\sqrt{42} i)}{2^{3}} + {(\frac{\sqrt{42} i}{2})}^{4}$

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{- 42 \sqrt{42} i}{2^{3}} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.41

Raise $2$ to the power of $3$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - 2 \sqrt{14} \frac{- 42 \sqrt{42} i}{8} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.42

Cancel the common factor of $2$ .

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Step 5.1.42.1

Factor $2$ out of $- 2 \sqrt{14}$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 2 (- \sqrt{14}) \frac{- 42 \sqrt{42} i}{8} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.42.2

Factor $2$ out of $8$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 2 (- \sqrt{14}) \frac{- 42 \sqrt{42} i}{2 (4)} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.42.3

Cancel the common factor.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 2 (- \sqrt{14}) \frac{- 42 \sqrt{42} i}{2 \cdot 4} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.42.4

Rewrite the expression.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \sqrt{14} \frac{- 42 \sqrt{42} i}{4} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.43

Combine $\frac{- 42 \sqrt{42} i}{4}$ and $\sqrt{14}$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{- 42 \sqrt{42} i \sqrt{14}}{4} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.44

Combine using the product rule for radicals.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{- 42 \sqrt{14 \cdot 42} i}{4} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.45

Multiply $14$ by $42$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{- 42 \sqrt{588} i}{4} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.46

Cancel the common factor of $- 42$ and $4$ .

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Step 5.1.46.1

Factor $2$ out of $- 42 \sqrt{588} i$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{2 (- 21 \sqrt{588} i)}{4} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.46.2

Cancel the common factors.

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Step 5.1.46.2.1

Factor $2$ out of $4$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{2 (- 21 \sqrt{588} i)}{2 (2)} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.46.2.2

Cancel the common factor.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{2 (- 21 \sqrt{588} i)}{2 \cdot 2} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.46.2.3

Rewrite the expression.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{- 21 \sqrt{588} i}{2} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.47

Simplify the numerator.

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Step 5.1.47.1

Rewrite $588$ as $14^{2} \cdot 3$ .

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Step 5.1.47.1.1

Factor $196$ out of $588$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{- 21 \sqrt{196 (3)} i}{2} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.47.1.2

Rewrite $196$ as $14^{2}$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{- 21 \sqrt{14^{2} \cdot 3} i}{2} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.47.2

Pull terms out from under the radical.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{- 21 \cdot 14 \sqrt{3} i}{2} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.47.3

Multiply $- 21$ by $14$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{- 294 \sqrt{3} i}{2} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.48

Cancel the common factor of $- 294$ and $2$ .

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Step 5.1.48.1

Factor $2$ out of $- 294 \sqrt{3} i$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{2 (- 147 \sqrt{3} i)}{2} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.48.2

Cancel the common factors.

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Step 5.1.48.2.1

Factor $2$ out of $2$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{2 (- 147 \sqrt{3} i)}{2 (1)} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.48.2.2

Cancel the common factor.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{2 (- 147 \sqrt{3} i)}{2 \cdot 1} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.48.2.3

Rewrite the expression.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - \frac{- 147 \sqrt{3} i}{1} + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.48.2.4

Divide $- 147 \sqrt{3} i$ by $1$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} - (- 147 \sqrt{3} i) + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.49

Multiply $- 147$ by $- 1$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 (\sqrt{3} i) + {(\frac{\sqrt{42} i}{2})}^{4}$

Step 5.1.50

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 5.1.50.1

Apply the product rule to $\frac{\sqrt{42} i}{2}$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{{(\sqrt{42} i)}^{4}}{2^{4}}$

Step 5.1.50.2

Apply the product rule to $\sqrt{42} i$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{{\sqrt{42}}^{4} i^{4}}{2^{4}}$

Step 5.1.51

Simplify the numerator.

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Step 5.1.51.1

Rewrite ${\sqrt{42}}^{4}$ as $42^{2}$ .

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Step 5.1.51.1.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{42}$ as $42^{\frac{1}{2}}$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{{(42^{\frac{1}{2}})}^{4} i^{4}}{2^{4}}$

Step 5.1.51.1.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{42^{\frac{1}{2} \cdot 4} i^{4}}{2^{4}}$

Step 5.1.51.1.3

Combine $\frac{1}{2}$ and $4$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{42^{\frac{4}{2}} i^{4}}{2^{4}}$

Step 5.1.51.1.4

Cancel the common factor of $4$ and $2$ .

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Step 5.1.51.1.4.1

Factor $2$ out of $4$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{42^{\frac{2 \cdot 2}{2}} i^{4}}{2^{4}}$

Step 5.1.51.1.4.2

Cancel the common factors.

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Step 5.1.51.1.4.2.1

Factor $2$ out of $2$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{42^{\frac{2 \cdot 2}{2 (1)}} i^{4}}{2^{4}}$

Step 5.1.51.1.4.2.2

Cancel the common factor.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{42^{\frac{2 \cdot 2}{2 \cdot 1}} i^{4}}{2^{4}}$

Step 5.1.51.1.4.2.3

Rewrite the expression.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{42^{\frac{2}{1}} i^{4}}{2^{4}}$

Step 5.1.51.1.4.2.4

Divide $2$ by $1$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{42^{2} i^{4}}{2^{4}}$

Step 5.1.51.2

Raise $42$ to the power of $2$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{1764 i^{4}}{2^{4}}$

Step 5.1.51.3

Rewrite $i^{4}$ as $1$ .

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Step 5.1.51.3.1

Rewrite $i^{4}$ as ${(i^{2})}^{2}$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{1764 {(i^{2})}^{2}}{2^{4}}$

Step 5.1.51.3.2

Rewrite $i^{2}$ as $- 1$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{1764 {(- 1)}^{2}}{2^{4}}$

Step 5.1.51.3.3

Raise $- 1$ to the power of $2$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{1764 \cdot 1}{2^{4}}$

Step 5.1.52

Raise $2$ to the power of $4$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{1764 \cdot 1}{16}$

Step 5.1.53

Multiply $1764$ by $1$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{1764}{16}$

Step 5.1.54

Cancel the common factor of $1764$ and $16$ .

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Step 5.1.54.1

Factor $4$ out of $1764$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{4 (441)}{16}$

Step 5.1.54.2

Cancel the common factors.

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Step 5.1.54.2.1

Factor $4$ out of $16$ .

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{4 \cdot 441}{4 \cdot 4}$

Step 5.1.54.2.2

Cancel the common factor.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{4 \cdot 441}{4 \cdot 4}$

Step 5.1.54.2.3

Rewrite the expression.

$\frac{49}{4} - 49 i \sqrt{3} - \frac{441}{2} + 147 \sqrt{3} i + \frac{441}{4}$

Step 5.2

Combine fractions.

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Step 5.2.1

Combine the numerators over the common denominator.

$- 49 i \sqrt{3} + 147 \sqrt{3} i + \frac{49 + 441}{4} + \frac{- 441}{2}$

Step 5.2.2

Add $49$ and $441$ .

$- 49 i \sqrt{3} + 147 \sqrt{3} i + \frac{490}{4} + \frac{- 441}{2}$

Step 5.3

Simplify each term.

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Step 5.3.1

Cancel the common factor of $490$ and $4$ .

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Step 5.3.1.1

Factor $2$ out of $490$ .

$- 49 i \sqrt{3} + 147 \sqrt{3} i + \frac{2 (245)}{4} + \frac{- 441}{2}$

Step 5.3.1.2

Cancel the common factors.

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Step 5.3.1.2.1

Factor $2$ out of $4$ .

$- 49 i \sqrt{3} + 147 \sqrt{3} i + \frac{2 \cdot 245}{2 \cdot 2} + \frac{- 441}{2}$

Step 5.3.1.2.2

Cancel the common factor.

$- 49 i \sqrt{3} + 147 \sqrt{3} i + \frac{2 \cdot 245}{2 \cdot 2} + \frac{- 441}{2}$

Step 5.3.1.2.3

Rewrite the expression.

$- 49 i \sqrt{3} + 147 \sqrt{3} i + \frac{245}{2} + \frac{- 441}{2}$

Step 5.3.2

Move the negative in front of the fraction.

$- 49 i \sqrt{3} + 147 \sqrt{3} i + \frac{245}{2} - \frac{441}{2}$

Step 5.4

Simplify terms.

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Step 5.4.1

Combine the numerators over the common denominator.

$- 49 i \sqrt{3} + 147 \sqrt{3} i + \frac{245 - 441}{2}$

Step 5.4.2

Simplify the expression.

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Step 5.4.2.1

Subtract $441$ from $245$ .

$- 49 i \sqrt{3} + 147 \sqrt{3} i + \frac{- 196}{2}$

Step 5.4.2.2

Divide $- 196$ by $2$ .

$- 49 i \sqrt{3} + 147 \sqrt{3} i - 98$

Step 5.4.2.3

Reorder the factors of $147 \sqrt{3} i$ .

$- 49 i \sqrt{3} + 147 i \sqrt{3} - 98$

Step 5.4.3

Add $- 49 i \sqrt{3}$ and $147 i \sqrt{3}$ .

$98 i \sqrt{3} - 98$

Step 5.4.4

Reorder $98 i \sqrt{3}$ and $- 98$ .

$- 98 + 98 i \sqrt{3}$