Calculus Examples

$\frac{t - \sqrt{t}}{t^{\frac{1}{9}}}$

Step 1

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

$\frac{d}{d t} [\frac{t - t^{\frac{1}{2}}}{t^{\frac{1}{9}}}]$

Step 2

Factor $t^{\frac{1}{2}}$ out of $t - t^{\frac{1}{2}}$ .

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Step 2.1

Raise $t$ to the power of $1$ .

$\frac{d}{d t} [\frac{t^{1} - t^{\frac{1}{2}}}{t^{\frac{1}{9}}}]$

Step 2.2

Factor $t^{\frac{1}{2}}$ out of $t^{1}$ .

$\frac{d}{d t} [\frac{t^{\frac{1}{2}} t^{\frac{1}{2}} - t^{\frac{1}{2}}}{t^{\frac{1}{9}}}]$

Step 2.3

Factor $t^{\frac{1}{2}}$ out of $- t^{\frac{1}{2}}$ .

$\frac{d}{d t} [\frac{t^{\frac{1}{2}} t^{\frac{1}{2}} + t^{\frac{1}{2}} \cdot - 1}{t^{\frac{1}{9}}}]$

Step 2.4

Factor $t^{\frac{1}{2}}$ out of $t^{\frac{1}{2}} t^{\frac{1}{2}} + t^{\frac{1}{2}} \cdot - 1$ .

$\frac{d}{d t} [\frac{t^{\frac{1}{2}} (t^{\frac{1}{2}} - 1)}{t^{\frac{1}{9}}}]$

Step 3

Move $t^{\frac{1}{9}}$ to the numerator using the negative exponent rule $\frac{1}{b^{n}} = b^{- n}$ .

$\frac{d}{d t} [t^{\frac{1}{2}} (t^{\frac{1}{2}} - 1) t^{- \frac{1}{9}}]$

Step 4

Multiply $t^{\frac{1}{2}}$ by $t^{- \frac{1}{9}}$ by adding the exponents.

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Step 4.1

Move $t^{- \frac{1}{9}}$ .

$\frac{d}{d t} [t^{- \frac{1}{9}} t^{\frac{1}{2}} (t^{\frac{1}{2}} - 1)]$

Step 4.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{d}{d t} [t^{- \frac{1}{9} + \frac{1}{2}} (t^{\frac{1}{2}} - 1)]$

Step 4.3

To write $- \frac{1}{9}$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{d}{d t} [t^{- \frac{1}{9} \cdot \frac{2}{2} + \frac{1}{2}} (t^{\frac{1}{2}} - 1)]$

Step 4.4

To write $\frac{1}{2}$ as a fraction with a common denominator, multiply by $\frac{9}{9}$ .

$\frac{d}{d t} [t^{- \frac{1}{9} \cdot \frac{2}{2} + \frac{1}{2} \cdot \frac{9}{9}} (t^{\frac{1}{2}} - 1)]$

Step 4.5

Write each expression with a common denominator of $18$ , by multiplying each by an appropriate factor of $1$ .

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Step 4.5.1

Multiply $\frac{1}{9}$ by $\frac{2}{2}$ .

$\frac{d}{d t} [t^{- \frac{2}{9 \cdot 2} + \frac{1}{2} \cdot \frac{9}{9}} (t^{\frac{1}{2}} - 1)]$

Step 4.5.2

Multiply $9$ by $2$ .

$\frac{d}{d t} [t^{- \frac{2}{18} + \frac{1}{2} \cdot \frac{9}{9}} (t^{\frac{1}{2}} - 1)]$

Step 4.5.3

Multiply $\frac{1}{2}$ by $\frac{9}{9}$ .

$\frac{d}{d t} [t^{- \frac{2}{18} + \frac{9}{2 \cdot 9}} (t^{\frac{1}{2}} - 1)]$

Step 4.5.4

Multiply $2$ by $9$ .

$\frac{d}{d t} [t^{- \frac{2}{18} + \frac{9}{18}} (t^{\frac{1}{2}} - 1)]$

Step 4.6

Combine the numerators over the common denominator.

$\frac{d}{d t} [t^{\frac{- 2 + 9}{18}} (t^{\frac{1}{2}} - 1)]$

Step 4.7

Add $- 2$ and $9$ .

$\frac{d}{d t} [t^{\frac{7}{18}} (t^{\frac{1}{2}} - 1)]$

Step 5

Differentiate using the Product Rule which states that $\frac{d}{d t} [f (t) g (t)]$ is $f (t) \frac{d}{d t} [g (t)] + g (t) \frac{d}{d t} [f (t)]$ where $f (t) = t^{\frac{7}{18}}$ and $g (t) = t^{\frac{1}{2}} - 1$ .

$t^{\frac{7}{18}} \frac{d}{d t} [t^{\frac{1}{2}} - 1] + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 6

Differentiate.

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Step 6.1

By the Sum Rule, the derivative of $t^{\frac{1}{2}} - 1$ with respect to $t$ is $\frac{d}{d t} [t^{\frac{1}{2}}] + \frac{d}{d t} [- 1]$ .

$t^{\frac{7}{18}} (\frac{d}{d t} [t^{\frac{1}{2}}] + \frac{d}{d t} [- 1]) + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 6.2

Differentiate using the Power Rule which states that $\frac{d}{d t} [t^{n}]$ is $n t^{n - 1}$ where $n = \frac{1}{2}$ .

$t^{\frac{7}{18}} (\frac{1}{2} t^{\frac{1}{2} - 1} + \frac{d}{d t} [- 1]) + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 7

To write $- 1$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$t^{\frac{7}{18}} (\frac{1}{2} t^{\frac{1}{2} - 1 \cdot \frac{2}{2}} + \frac{d}{d t} [- 1]) + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 8

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

$t^{\frac{7}{18}} (\frac{1}{2} t^{\frac{1}{2} + \frac{- 1 \cdot 2}{2}} + \frac{d}{d t} [- 1]) + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 9

Combine the numerators over the common denominator.

$t^{\frac{7}{18}} (\frac{1}{2} t^{\frac{1 - 1 \cdot 2}{2}} + \frac{d}{d t} [- 1]) + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 10

Simplify the numerator.

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Step 10.1

Multiply $- 1$ by $2$ .

$t^{\frac{7}{18}} (\frac{1}{2} t^{\frac{1 - 2}{2}} + \frac{d}{d t} [- 1]) + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 10.2

Subtract $2$ from $1$ .

$t^{\frac{7}{18}} (\frac{1}{2} t^{\frac{- 1}{2}} + \frac{d}{d t} [- 1]) + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 11

Combine fractions.

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Step 11.1

Move the negative in front of the fraction.

$t^{\frac{7}{18}} (\frac{1}{2} t^{- \frac{1}{2}} + \frac{d}{d t} [- 1]) + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 11.2

Combine $\frac{1}{2}$ and $t^{- \frac{1}{2}}$ .

$t^{\frac{7}{18}} (\frac{t^{- \frac{1}{2}}}{2} + \frac{d}{d t} [- 1]) + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 11.3

Move $t^{- \frac{1}{2}}$ to the denominator using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$t^{\frac{7}{18}} (\frac{1}{2 t^{\frac{1}{2}}} + \frac{d}{d t} [- 1]) + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 12

Since $- 1$ is constant with respect to $t$ , the derivative of $- 1$ with respect to $t$ is $0$ .

$t^{\frac{7}{18}} (\frac{1}{2 t^{\frac{1}{2}}} + 0) + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 13

Combine fractions.

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Step 13.1

Add $\frac{1}{2 t^{\frac{1}{2}}}$ and $0$ .

$t^{\frac{7}{18}} \frac{1}{2 t^{\frac{1}{2}}} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 13.2

Combine $t^{\frac{7}{18}}$ and $\frac{1}{2 t^{\frac{1}{2}}}$ .

$\frac{t^{\frac{7}{18}}}{2 t^{\frac{1}{2}}} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 13.3

Move $t^{\frac{7}{18}}$ to the denominator using the negative exponent rule $b^{n} = \frac{1}{b^{- n}}$ .

$\frac{1}{2 t^{\frac{1}{2}} t^{- \frac{7}{18}}} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 14

Multiply $t^{\frac{1}{2}}$ by $t^{- \frac{7}{18}}$ by adding the exponents.

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Step 14.1

Move $t^{- \frac{7}{18}}$ .

$\frac{1}{2 (t^{- \frac{7}{18}} t^{\frac{1}{2}})} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 14.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{1}{2 t^{- \frac{7}{18} + \frac{1}{2}}} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 14.3

To write $\frac{1}{2}$ as a fraction with a common denominator, multiply by $\frac{9}{9}$ .

$\frac{1}{2 t^{- \frac{7}{18} + \frac{1}{2} \cdot \frac{9}{9}}} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 14.4

Write each expression with a common denominator of $18$ , by multiplying each by an appropriate factor of $1$ .

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Step 14.4.1

Multiply $\frac{1}{2}$ by $\frac{9}{9}$ .

$\frac{1}{2 t^{- \frac{7}{18} + \frac{9}{2 \cdot 9}}} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 14.4.2

Multiply $2$ by $9$ .

$\frac{1}{2 t^{- \frac{7}{18} + \frac{9}{18}}} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 14.5

Combine the numerators over the common denominator.

$\frac{1}{2 t^{\frac{- 7 + 9}{18}}} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 14.6

Add $- 7$ and $9$ .

$\frac{1}{2 t^{\frac{2}{18}}} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 14.7

Cancel the common factor of $2$ and $18$ .

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Step 14.7.1

Factor $2$ out of $2$ .

$\frac{1}{2 t^{\frac{2 (1)}{18}}} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 14.7.2

Cancel the common factors.

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Step 14.7.2.1

Factor $2$ out of $18$ .

$\frac{1}{2 t^{\frac{2 \cdot 1}{2 \cdot 9}}} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 14.7.2.2

Cancel the common factor.

$\frac{1}{2 t^{\frac{2 \cdot 1}{2 \cdot 9}}} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 14.7.2.3

Rewrite the expression.

$\frac{1}{2 t^{\frac{1}{9}}} + (t^{\frac{1}{2}} - 1) \frac{d}{d t} [t^{\frac{7}{18}}]$

Step 15

Differentiate using the Power Rule which states that $\frac{d}{d t} [t^{n}]$ is $n t^{n - 1}$ where $n = \frac{7}{18}$ .

$\frac{1}{2 t^{\frac{1}{9}}} + (t^{\frac{1}{2}} - 1) (\frac{7}{18} t^{\frac{7}{18} - 1})$

Step 16

To write $- 1$ as a fraction with a common denominator, multiply by $\frac{18}{18}$ .

$\frac{1}{2 t^{\frac{1}{9}}} + (t^{\frac{1}{2}} - 1) (\frac{7}{18} t^{\frac{7}{18} - 1 \cdot \frac{18}{18}})$

Step 17

Combine $- 1$ and $\frac{18}{18}$ .

$\frac{1}{2 t^{\frac{1}{9}}} + (t^{\frac{1}{2}} - 1) (\frac{7}{18} t^{\frac{7}{18} + \frac{- 1 \cdot 18}{18}})$

Step 18

Combine the numerators over the common denominator.

$\frac{1}{2 t^{\frac{1}{9}}} + (t^{\frac{1}{2}} - 1) (\frac{7}{18} t^{\frac{7 - 1 \cdot 18}{18}})$

Step 19

Simplify the numerator.

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Step 19.1

Multiply $- 1$ by $18$ .

$\frac{1}{2 t^{\frac{1}{9}}} + (t^{\frac{1}{2}} - 1) (\frac{7}{18} t^{\frac{7 - 18}{18}})$

Step 19.2

Subtract $18$ from $7$ .

$\frac{1}{2 t^{\frac{1}{9}}} + (t^{\frac{1}{2}} - 1) (\frac{7}{18} t^{\frac{- 11}{18}})$

Step 20

Move the negative in front of the fraction.

$\frac{1}{2 t^{\frac{1}{9}}} + (t^{\frac{1}{2}} - 1) (\frac{7}{18} t^{- \frac{11}{18}})$

Step 21

Combine $\frac{7}{18}$ and $t^{- \frac{11}{18}}$ .

$\frac{1}{2 t^{\frac{1}{9}}} + (t^{\frac{1}{2}} - 1) \frac{7 t^{- \frac{11}{18}}}{18}$

Step 22

Move $t^{- \frac{11}{18}}$ to the denominator using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{1}{2 t^{\frac{1}{9}}} + (t^{\frac{1}{2}} - 1) \frac{7}{18 t^{\frac{11}{18}}}$

Step 23

To write $(t^{\frac{1}{2}} - 1) \frac{7}{18 t^{\frac{11}{18}}}$ as a fraction with a common denominator, multiply by $\frac{2 t^{\frac{1}{9}}}{2 t^{\frac{1}{9}}}$ .

$\frac{1}{2 t^{\frac{1}{9}}} + (t^{\frac{1}{2}} - 1) \frac{7}{18 t^{\frac{11}{18}}} \cdot \frac{2 t^{\frac{1}{9}}}{2 t^{\frac{1}{9}}}$

Step 24

Combine $(t^{\frac{1}{2}} - 1) \frac{7}{18 t^{\frac{11}{18}}}$ and $\frac{2 t^{\frac{1}{9}}}{2 t^{\frac{1}{9}}}$ .

$\frac{1}{2 t^{\frac{1}{9}}} + \frac{(t^{\frac{1}{2}} - 1) \frac{7}{18 t^{\frac{11}{18}}} (2 t^{\frac{1}{9}})}{2 t^{\frac{1}{9}}}$

Step 25

Combine the numerators over the common denominator.

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{7}{18 t^{\frac{11}{18}}} (2 t^{\frac{1}{9}})}{2 t^{\frac{1}{9}}}$

Step 26

Combine $2$ and $\frac{7}{18 t^{\frac{11}{18}}}$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{2 \cdot 7}{18 t^{\frac{11}{18}}} t^{\frac{1}{9}}}{2 t^{\frac{1}{9}}}$

Step 27

Multiply $2$ by $7$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14}{18 t^{\frac{11}{18}}} t^{\frac{1}{9}}}{2 t^{\frac{1}{9}}}$

Step 28

Combine $t^{\frac{1}{9}}$ and $\frac{14}{18 t^{\frac{11}{18}}}$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{t^{\frac{1}{9}} \cdot 14}{18 t^{\frac{11}{18}}}}{2 t^{\frac{1}{9}}}$

Step 29

Simplify the expression.

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Step 29.1

Move $14$ to the left of $t^{\frac{1}{9}}$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14 \cdot t^{\frac{1}{9}}}{18 t^{\frac{11}{18}}}}{2 t^{\frac{1}{9}}}$

Step 29.2

Move $t^{\frac{1}{9}}$ to the denominator using the negative exponent rule $b^{n} = \frac{1}{b^{- n}}$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14}{18 t^{\frac{11}{18}} t^{- \frac{1}{9}}}}{2 t^{\frac{1}{9}}}$

Step 30

Multiply $t^{\frac{11}{18}}$ by $t^{- \frac{1}{9}}$ by adding the exponents.

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Step 30.1

Move $t^{- \frac{1}{9}}$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14}{18 (t^{- \frac{1}{9}} t^{\frac{11}{18}})}}{2 t^{\frac{1}{9}}}$

Step 30.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14}{18 t^{- \frac{1}{9} + \frac{11}{18}}}}{2 t^{\frac{1}{9}}}$

Step 30.3

To write $- \frac{1}{9}$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14}{18 t^{- \frac{1}{9} \cdot \frac{2}{2} + \frac{11}{18}}}}{2 t^{\frac{1}{9}}}$

Step 30.4

Write each expression with a common denominator of $18$ , by multiplying each by an appropriate factor of $1$ .

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Step 30.4.1

Multiply $\frac{1}{9}$ by $\frac{2}{2}$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14}{18 t^{- \frac{2}{9 \cdot 2} + \frac{11}{18}}}}{2 t^{\frac{1}{9}}}$

Step 30.4.2

Multiply $9$ by $2$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14}{18 t^{- \frac{2}{18} + \frac{11}{18}}}}{2 t^{\frac{1}{9}}}$

Step 30.5

Combine the numerators over the common denominator.

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14}{18 t^{\frac{- 2 + 11}{18}}}}{2 t^{\frac{1}{9}}}$

Step 30.6

Add $- 2$ and $11$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14}{18 t^{\frac{9}{18}}}}{2 t^{\frac{1}{9}}}$

Step 30.7

Cancel the common factor of $9$ and $18$ .

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Step 30.7.1

Factor $9$ out of $9$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14}{18 t^{\frac{9 (1)}{18}}}}{2 t^{\frac{1}{9}}}$

Step 30.7.2

Cancel the common factors.

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Step 30.7.2.1

Factor $9$ out of $18$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14}{18 t^{\frac{9 \cdot 1}{9 \cdot 2}}}}{2 t^{\frac{1}{9}}}$

Step 30.7.2.2

Cancel the common factor.

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14}{18 t^{\frac{9 \cdot 1}{9 \cdot 2}}}}{2 t^{\frac{1}{9}}}$

Step 30.7.2.3

Rewrite the expression.

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{14}{18 t^{\frac{1}{2}}}}{2 t^{\frac{1}{9}}}$

Step 31

Factor $2$ out of $14$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{2 (7)}{18 t^{\frac{1}{2}}}}{2 t^{\frac{1}{9}}}$

Step 32

Cancel the common factors.

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Step 32.1

Factor $2$ out of $18 t^{\frac{1}{2}}$ .

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{2 (7)}{2 (9 t^{\frac{1}{2}})}}{2 t^{\frac{1}{9}}}$

Step 32.2

Cancel the common factor.

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{2 \cdot 7}{2 (9 t^{\frac{1}{2}})}}{2 t^{\frac{1}{9}}}$

Step 32.3

Rewrite the expression.

$\frac{1 + (t^{\frac{1}{2}} - 1) \frac{7}{9 t^{\frac{1}{2}}}}{2 t^{\frac{1}{9}}}$

Step 33

Simplify.

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Step 33.1

Apply the distributive property.

$\frac{1 + t^{\frac{1}{2}} \frac{7}{9 t^{\frac{1}{2}}} - 1 \frac{7}{9 t^{\frac{1}{2}}}}{2 t^{\frac{1}{9}}}$

Step 33.2

Simplify the numerator.

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Step 33.2.1

Simplify each term.

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Step 33.2.1.1

Cancel the common factor of $t^{\frac{1}{2}}$ .

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Step 33.2.1.1.1

Factor $t^{\frac{1}{2}}$ out of $9 t^{\frac{1}{2}}$ .

$\frac{1 + t^{\frac{1}{2}} \frac{7}{t^{\frac{1}{2}} \cdot 9} - 1 \frac{7}{9 t^{\frac{1}{2}}}}{2 t^{\frac{1}{9}}}$

Step 33.2.1.1.2

Cancel the common factor.

$\frac{1 + t^{\frac{1}{2}} \frac{7}{t^{\frac{1}{2}} \cdot 9} - 1 \frac{7}{9 t^{\frac{1}{2}}}}{2 t^{\frac{1}{9}}}$

Step 33.2.1.1.3

Rewrite the expression.

$\frac{1 + \frac{7}{9} - 1 \frac{7}{9 t^{\frac{1}{2}}}}{2 t^{\frac{1}{9}}}$

Step 33.2.1.2

Rewrite $- 1 \frac{7}{9 t^{\frac{1}{2}}}$ as $- \frac{7}{9 t^{\frac{1}{2}}}$ .

$\frac{1 + \frac{7}{9} - \frac{7}{9 t^{\frac{1}{2}}}}{2 t^{\frac{1}{9}}}$

Step 33.2.2

Write $1$ as a fraction with a common denominator.

$\frac{\frac{9}{9} + \frac{7}{9} - \frac{7}{9 t^{\frac{1}{2}}}}{2 t^{\frac{1}{9}}}$

Step 33.2.3

Combine the numerators over the common denominator.

$\frac{\frac{9 + 7}{9} - \frac{7}{9 t^{\frac{1}{2}}}}{2 t^{\frac{1}{9}}}$

Step 33.2.4

Add $9$ and $7$ .

$\frac{\frac{16}{9} - \frac{7}{9 t^{\frac{1}{2}}}}{2 t^{\frac{1}{9}}}$

Step 33.3

Combine terms.

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Step 33.3.1

Multiply $\frac{\frac{16}{9} - \frac{7}{9 t^{\frac{1}{2}}}}{2 t^{\frac{1}{9}}}$ by $\frac{9}{9}$ .

$\frac{9}{9} \cdot \frac{\frac{16}{9} - \frac{7}{9 t^{\frac{1}{2}}}}{2 t^{\frac{1}{9}}}$

Step 33.3.2

Combine.

$\frac{9 (\frac{16}{9} - \frac{7}{9 t^{\frac{1}{2}}})}{9 (2 t^{\frac{1}{9}})}$

Step 33.3.3

Apply the distributive property.

$\frac{9 (\frac{16}{9}) + 9 (- \frac{7}{9 t^{\frac{1}{2}}})}{9 (2 t^{\frac{1}{9}})}$

Step 33.3.4

Cancel the common factor of $9$ .

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Step 33.3.4.1

Cancel the common factor.

$\frac{9 (\frac{16}{9}) + 9 (- \frac{7}{9 t^{\frac{1}{2}}})}{9 (2 t^{\frac{1}{9}})}$

Step 33.3.4.2

Rewrite the expression.

$\frac{16 + 9 (- \frac{7}{9 t^{\frac{1}{2}}})}{9 (2 t^{\frac{1}{9}})}$

Step 33.3.5

Multiply $- 1$ by $9$ .

$\frac{16 - 9 \frac{7}{9 t^{\frac{1}{2}}}}{9 (2 t^{\frac{1}{9}})}$

Step 33.3.6

Combine $- 9$ and $\frac{7}{9 t^{\frac{1}{2}}}$ .

$\frac{16 + \frac{- 9 \cdot 7}{9 t^{\frac{1}{2}}}}{9 (2 t^{\frac{1}{9}})}$

Step 33.3.7

Multiply $- 9$ by $7$ .

$\frac{16 + \frac{- 63}{9 t^{\frac{1}{2}}}}{9 (2 t^{\frac{1}{9}})}$

Step 33.3.8

Factor $9$ out of $- 63$ .

$\frac{16 + \frac{9 \cdot - 7}{9 t^{\frac{1}{2}}}}{9 (2 t^{\frac{1}{9}})}$

Step 33.3.9

Cancel the common factors.

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Step 33.3.9.1

Factor $9$ out of $9 t^{\frac{1}{2}}$ .

$\frac{16 + \frac{9 \cdot - 7}{9 (t^{\frac{1}{2}})}}{9 (2 t^{\frac{1}{9}})}$

Step 33.3.9.2

Cancel the common factor.

$\frac{16 + \frac{9 \cdot - 7}{9 t^{\frac{1}{2}}}}{9 (2 t^{\frac{1}{9}})}$

Step 33.3.9.3

Rewrite the expression.

$\frac{16 + \frac{- 7}{t^{\frac{1}{2}}}}{9 (2 t^{\frac{1}{9}})}$

Step 33.3.10

Move the negative in front of the fraction.

$\frac{16 - \frac{7}{t^{\frac{1}{2}}}}{9 (2 t^{\frac{1}{9}})}$

Step 33.3.11

Multiply $2$ by $9$ .

$\frac{16 - \frac{7}{t^{\frac{1}{2}}}}{18 t^{\frac{1}{9}}}$

Step 33.4

Simplify the numerator.

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Step 33.4.1

To write $16$ as a fraction with a common denominator, multiply by $\frac{t^{\frac{1}{2}}}{t^{\frac{1}{2}}}$ .

$\frac{\frac{16 t^{\frac{1}{2}}}{t^{\frac{1}{2}}} - \frac{7}{t^{\frac{1}{2}}}}{18 t^{\frac{1}{9}}}$

Step 33.4.2

Combine the numerators over the common denominator.

$\frac{\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{1}{2}}}}{18 t^{\frac{1}{9}}}$

Step 33.5

Multiply the numerator by the reciprocal of the denominator.

$\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{1}{2}}} \cdot \frac{1}{18 t^{\frac{1}{9}}}$

Step 33.6

Multiply $\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{1}{2}}} \cdot \frac{1}{18 t^{\frac{1}{9}}}$ .

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Step 33.6.1

Multiply $\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{1}{2}}}$ by $\frac{1}{18 t^{\frac{1}{9}}}$ .

$\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{1}{2}} (18 t^{\frac{1}{9}})}$

Step 33.6.2

Multiply $t^{\frac{1}{2}}$ by $t^{\frac{1}{9}}$ by adding the exponents.

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Step 33.6.2.1

Move $t^{\frac{1}{9}}$ .

$\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{1}{9}} t^{\frac{1}{2}} \cdot 18}$

Step 33.6.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{1}{9} + \frac{1}{2}} \cdot 18}$

Step 33.6.2.3

To write $\frac{1}{9}$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{1}{9} \cdot \frac{2}{2} + \frac{1}{2}} \cdot 18}$

Step 33.6.2.4

To write $\frac{1}{2}$ as a fraction with a common denominator, multiply by $\frac{9}{9}$ .

$\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{1}{9} \cdot \frac{2}{2} + \frac{1}{2} \cdot \frac{9}{9}} \cdot 18}$

Step 33.6.2.5

Write each expression with a common denominator of $18$ , by multiplying each by an appropriate factor of $1$ .

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Step 33.6.2.5.1

Multiply $\frac{1}{9}$ by $\frac{2}{2}$ .

$\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{2}{9 \cdot 2} + \frac{1}{2} \cdot \frac{9}{9}} \cdot 18}$

Step 33.6.2.5.2

Multiply $9$ by $2$ .

$\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{2}{18} + \frac{1}{2} \cdot \frac{9}{9}} \cdot 18}$

Step 33.6.2.5.3

Multiply $\frac{1}{2}$ by $\frac{9}{9}$ .

$\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{2}{18} + \frac{9}{2 \cdot 9}} \cdot 18}$

Step 33.6.2.5.4

Multiply $2$ by $9$ .

$\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{2}{18} + \frac{9}{18}} \cdot 18}$

Step 33.6.2.6

Combine the numerators over the common denominator.

$\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{2 + 9}{18}} \cdot 18}$

Step 33.6.2.7

Add $2$ and $9$ .

$\frac{16 t^{\frac{1}{2}} - 7}{t^{\frac{11}{18}} \cdot 18}$

Step 33.7

Move $18$ to the left of $t^{\frac{11}{18}}$ .

$\frac{16 t^{\frac{1}{2}} - 7}{18 t^{\frac{11}{18}}}$