Calculus Examples

$y = x$ , $y = \sqrt[6]{x}$

Step 1

Solve by substitution to find the intersection between the curves.

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Step 1.1

Eliminate the equal sides of each equation and combine.

$x = \sqrt[6]{x}$

Step 1.2

Solve $x = \sqrt[6]{x}$ for $x$ .

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Step 1.2.1

Since the radical is on the right side of the equation, switch the sides so it is on the left side of the equation.

$\sqrt[6]{x} = x$

Step 1.2.2

Subtract $x$ from both sides of the equation.

$\sqrt[6]{x} - x = 0$

Step 1.2.3

Factor $\sqrt[6]{x} - x$ .

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Step 1.2.3.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt[6]{x}$ as $x^{\frac{1}{6}}$ .

$x^{\frac{1}{6}} - x = 0$

Step 1.2.3.2

Factor $x^{\frac{1}{6}}$ out of $x^{\frac{1}{6}} - x$ .

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Step 1.2.3.2.1

Multiply by $1$ .

$x^{\frac{1}{6}} \cdot 1 - x = 0$

Step 1.2.3.2.2

Factor $x^{\frac{1}{6}}$ out of $- x$ .

$x^{\frac{1}{6}} \cdot 1 + x^{\frac{1}{6}} (- x^{\frac{5}{6}}) = 0$

Step 1.2.3.2.3

Factor $x^{\frac{1}{6}}$ out of $x^{\frac{1}{6}} \cdot 1 + x^{\frac{1}{6}} (- x^{\frac{5}{6}})$ .

$x^{\frac{1}{6}} (1 - x^{\frac{5}{6}}) = 0$

Step 1.2.4

If any individual factor on the left side of the equation is equal to $0$ , the entire expression will be equal to $0$ .

$x^{\frac{1}{6}} = 0$

$1 - x^{\frac{5}{6}} = 0 + y = \sqrt[6]{x}$

Step 1.2.5

Set $x^{\frac{1}{6}}$ equal to $0$ and solve for $x$ .

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Step 1.2.5.1

Set $x^{\frac{1}{6}}$ equal to $0$ .

$x^{\frac{1}{6}} = 0$

Step 1.2.5.2

Solve $x^{\frac{1}{6}} = 0$ for $x$ .

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Step 1.2.5.2.1

Raise each side of the equation to the power of $6$ to eliminate the fractional exponent on the left side.

${(x^{\frac{1}{6}})}^{6} = 0^{6}$

Step 1.2.5.2.2

Simplify the exponent.

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Step 1.2.5.2.2.1

Simplify the left side.

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Step 1.2.5.2.2.1.1

Simplify ${(x^{\frac{1}{6}})}^{6}$ .

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Step 1.2.5.2.2.1.1.1

Multiply the exponents in ${(x^{\frac{1}{6}})}^{6}$ .

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Step 1.2.5.2.2.1.1.1.1

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

$x^{\frac{1}{6} \cdot 6} = 0^{6}$

Step 1.2.5.2.2.1.1.1.2

Cancel the common factor of $6$ .

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Step 1.2.5.2.2.1.1.1.2.1

Cancel the common factor.

$x^{\frac{1}{6} \cdot 6} = 0^{6}$

Step 1.2.5.2.2.1.1.1.2.2

Rewrite the expression.

$x^{1} = 0^{6}$

Step 1.2.5.2.2.1.1.2

Simplify.

$x = 0^{6}$

Step 1.2.5.2.2.2

Simplify the right side.

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Step 1.2.5.2.2.2.1

Raising $0$ to any positive power yields $0$ .

$x = 0$

Step 1.2.6

Set $1 - x^{\frac{5}{6}}$ equal to $0$ and solve for $x$ .

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Step 1.2.6.1

Set $1 - x^{\frac{5}{6}}$ equal to $0$ .

$1 - x^{\frac{5}{6}} = 0$

Step 1.2.6.2

Solve $1 - x^{\frac{5}{6}} = 0$ for $x$ .

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Step 1.2.6.2.1

Subtract $1$ from both sides of the equation.

$- x^{\frac{5}{6}} = - 1$

Step 1.2.6.2.2

Raise each side of the equation to the power of $\frac{6}{5}$ to eliminate the fractional exponent on the left side.

${(- x^{\frac{5}{6}})}^{\frac{6}{5}} = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3

Simplify the exponent.

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Step 1.2.6.2.3.1

Simplify the left side.

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Step 1.2.6.2.3.1.1

Simplify ${(- x^{\frac{5}{6}})}^{\frac{6}{5}}$ .

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Step 1.2.6.2.3.1.1.1

Simplify the expression.

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Step 1.2.6.2.3.1.1.1.1

Apply the product rule to $- x^{\frac{5}{6}}$ .

${(- 1)}^{\frac{6}{5}} {(x^{\frac{5}{6}})}^{\frac{6}{5}} = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3.1.1.1.2

Rewrite $- 1$ as ${(- 1)}^{5}$ .

${({(- 1)}^{5})}^{\frac{6}{5}} {(x^{\frac{5}{6}})}^{\frac{6}{5}} = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3.1.1.1.3

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

${(- 1)}^{5 (\frac{6}{5})} {(x^{\frac{5}{6}})}^{\frac{6}{5}} = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3.1.1.2

Cancel the common factor of $5$ .

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Step 1.2.6.2.3.1.1.2.1

Cancel the common factor.

${(- 1)}^{5 (\frac{6}{5})} {(x^{\frac{5}{6}})}^{\frac{6}{5}} = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3.1.1.2.2

Rewrite the expression.

${(- 1)}^{6} {(x^{\frac{5}{6}})}^{\frac{6}{5}} = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3.1.1.3

Simplify the expression.

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Step 1.2.6.2.3.1.1.3.1

Raise $- 1$ to the power of $6$ .

$1 {(x^{\frac{5}{6}})}^{\frac{6}{5}} = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3.1.1.3.2

Multiply ${(x^{\frac{5}{6}})}^{\frac{6}{5}}$ by $1$ .

${(x^{\frac{5}{6}})}^{\frac{6}{5}} = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3.1.1.3.3

Multiply the exponents in ${(x^{\frac{5}{6}})}^{\frac{6}{5}}$ .

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Step 1.2.6.2.3.1.1.3.3.1

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

$x^{\frac{5}{6} \cdot \frac{6}{5}} = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3.1.1.3.3.2

Cancel the common factor of $5$ .

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Step 1.2.6.2.3.1.1.3.3.2.1

Cancel the common factor.

$x^{\frac{5}{6} \cdot \frac{6}{5}} = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3.1.1.3.3.2.2

Rewrite the expression.

$x^{\frac{1}{6} \cdot 6} = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3.1.1.3.3.3

Cancel the common factor of $6$ .

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Step 1.2.6.2.3.1.1.3.3.3.1

Cancel the common factor.

$x^{\frac{1}{6} \cdot 6} = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3.1.1.3.3.3.2

Rewrite the expression.

$x^{1} = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3.1.1.4

Simplify.

$x = {(- 1)}^{\frac{6}{5}}$

Step 1.2.6.2.3.2

Simplify the right side.

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Step 1.2.6.2.3.2.1

Simplify ${(- 1)}^{\frac{6}{5}}$ .

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Step 1.2.6.2.3.2.1.1

Simplify the expression.

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Step 1.2.6.2.3.2.1.1.1

Rewrite $- 1$ as ${(- 1)}^{5}$ .

$x = {({(- 1)}^{5})}^{\frac{6}{5}}$

Step 1.2.6.2.3.2.1.1.2

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

$x = {(- 1)}^{5 (\frac{6}{5})}$

Step 1.2.6.2.3.2.1.2

Cancel the common factor of $5$ .

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Step 1.2.6.2.3.2.1.2.1

Cancel the common factor.

$x = {(- 1)}^{5 (\frac{6}{5})}$

Step 1.2.6.2.3.2.1.2.2

Rewrite the expression.

$x = {(- 1)}^{6}$

Step 1.2.6.2.3.2.1.3

Raise $- 1$ to the power of $6$ .

$x = 1$

Step 1.2.7

The final solution is all the values that make $x^{\frac{1}{6}} (1 - x^{\frac{5}{6}}) = 0$ true.

$x = 0, 1$

Step 1.3

Evaluate $y$ when $x = 0$ .

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Step 1.3.1

Substitute $0$ for $x$ .

$y = \sqrt[6]{0}$

Step 1.3.2

Simplify $\sqrt[6]{0}$ .

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Step 1.3.2.1

Remove parentheses.

$y = \sqrt[6]{0}$

Step 1.3.2.2

Rewrite $0$ as $0^{6}$ .

$y = \sqrt[6]{0^{6}}$

Step 1.3.2.3

Pull terms out from under the radical, assuming positive real numbers.

$y = 0$

Step 1.4

Evaluate $y$ when $x = 1$ .

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Step 1.4.1

Substitute $1$ for $x$ .

$y = \sqrt[6]{1}$

Step 1.4.2

Simplify $\sqrt[6]{1}$ .

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Step 1.4.2.1

Remove parentheses.

$y = \sqrt[6]{1}$

Step 1.4.2.2

Any root of $1$ is $1$ .

$y = 1$

Step 1.5

The solution to the system is the complete set of ordered pairs that are valid solutions.

$(0, 0)$

$(1, 1)$

$(0, 0)$

$(1, 1)$

Step 2

The area of the region between the curves is defined as the integral of the upper curve minus the integral of the lower curve over each region. The regions are determined by the intersection points of the curves. This can be done algebraically or graphically.

$A r e a = \int_{0}^{1} \sqrt[6]{x} d x - \int_{0}^{1} x d x$

Step 3

Integrate to find the area between $0$ and $1$ .

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Step 3.1

Combine the integrals into a single integral.

$\int_{0}^{1} \sqrt[6]{x} - (x) d x$

Step 3.2

Multiply $- 1$ by $x$ .

$\int_{0}^{1} \sqrt[6]{x} - x d x$

Step 3.3

Split the single integral into multiple integrals.

$\int_{0}^{1} \sqrt[6]{x} d x + \int_{0}^{1} - x d x$

Step 3.4

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt[6]{x}$ as $x^{\frac{1}{6}}$ .

$\int_{0}^{1} x^{\frac{1}{6}} d x + \int_{0}^{1} - x d x$

Step 3.5

By the Power Rule, the integral of $x^{\frac{1}{6}}$ with respect to $x$ is $\frac{6}{7} x^{\frac{7}{6}}$ .

$\frac{6}{7} x^{\frac{7}{6}}]_{0}^{1} + \int_{0}^{1} - x d x$

Step 3.6

Since $- 1$ is constant with respect to $x$ , move $- 1$ out of the integral.

$\frac{6}{7} x^{\frac{7}{6}}]_{0}^{1} - \int_{0}^{1} x d x$

Step 3.7

By the Power Rule, the integral of $x$ with respect to $x$ is $\frac{1}{2} x^{2}$ .

$\frac{6}{7} x^{\frac{7}{6}}]_{0}^{1} - (\frac{1}{2} x^{2}]_{0}^{1})$

Step 3.8

Simplify the answer.

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Step 3.8.1

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

$\frac{6}{7} x^{\frac{7}{6}}]_{0}^{1} - (\frac{x^{2}}{2}]_{0}^{1})$

Step 3.8.2

Substitute and simplify.

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Step 3.8.2.1

Evaluate $\frac{6}{7} x^{\frac{7}{6}}$ at $1$ and at $0$ .

$(\frac{6}{7} \cdot 1^{\frac{7}{6}}) - \frac{6}{7} \cdot 0^{\frac{7}{6}} - (\frac{x^{2}}{2}]_{0}^{1})$

Step 3.8.2.2

Evaluate $\frac{x^{2}}{2}$ at $1$ and at $0$ .

$\frac{6}{7} \cdot 1^{\frac{7}{6}} - \frac{6}{7} \cdot 0^{\frac{7}{6}} - (\frac{1^{2}}{2} - \frac{0^{2}}{2})$

Step 3.8.2.3

Simplify.

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Step 3.8.2.3.1

One to any power is one.

$\frac{6}{7} \cdot 1 - \frac{6}{7} \cdot 0^{\frac{7}{6}} - (\frac{1^{2}}{2} - \frac{0^{2}}{2})$

Step 3.8.2.3.2

Multiply $\frac{6}{7}$ by $1$ .

$\frac{6}{7} - \frac{6}{7} \cdot 0^{\frac{7}{6}} - (\frac{1^{2}}{2} - \frac{0^{2}}{2})$

Step 3.8.2.3.3

Rewrite $0$ as $0^{6}$ .

$\frac{6}{7} - \frac{6}{7} \cdot {(0^{6})}^{\frac{7}{6}} - (\frac{1^{2}}{2} - \frac{0^{2}}{2})$

Step 3.8.2.3.4

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

$\frac{6}{7} - \frac{6}{7} \cdot 0^{6 (\frac{7}{6})} - (\frac{1^{2}}{2} - \frac{0^{2}}{2})$

Step 3.8.2.3.5

Cancel the common factor of $6$ .

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Step 3.8.2.3.5.1

Cancel the common factor.

$\frac{6}{7} - \frac{6}{7} \cdot 0^{6 (\frac{7}{6})} - (\frac{1^{2}}{2} - \frac{0^{2}}{2})$

Step 3.8.2.3.5.2

Rewrite the expression.

$\frac{6}{7} - \frac{6}{7} \cdot 0^{7} - (\frac{1^{2}}{2} - \frac{0^{2}}{2})$

Step 3.8.2.3.6

Raising $0$ to any positive power yields $0$ .

$\frac{6}{7} - \frac{6}{7} \cdot 0 - (\frac{1^{2}}{2} - \frac{0^{2}}{2})$

Step 3.8.2.3.7

Multiply $0$ by $- 1$ .

$\frac{6}{7} + 0 (\frac{6}{7}) - (\frac{1^{2}}{2} - \frac{0^{2}}{2})$

Step 3.8.2.3.8

Multiply $0$ by $\frac{6}{7}$ .

$\frac{6}{7} + 0 - (\frac{1^{2}}{2} - \frac{0^{2}}{2})$

Step 3.8.2.3.9

Add $\frac{6}{7}$ and $0$ .

$\frac{6}{7} - (\frac{1^{2}}{2} - \frac{0^{2}}{2})$

Step 3.8.2.3.10

One to any power is one.

$\frac{6}{7} - (\frac{1}{2} - \frac{0^{2}}{2})$

Step 3.8.2.3.11

Raising $0$ to any positive power yields $0$ .

$\frac{6}{7} - (\frac{1}{2} - \frac{0}{2})$

Step 3.8.2.3.12

Cancel the common factor of $0$ and $2$ .

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Step 3.8.2.3.12.1

Factor $2$ out of $0$ .

$\frac{6}{7} - (\frac{1}{2} - \frac{2 (0)}{2})$

Step 3.8.2.3.12.2

Cancel the common factors.

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Step 3.8.2.3.12.2.1

Factor $2$ out of $2$ .

$\frac{6}{7} - (\frac{1}{2} - \frac{2 \cdot 0}{2 \cdot 1})$

Step 3.8.2.3.12.2.2

Cancel the common factor.

$\frac{6}{7} - (\frac{1}{2} - \frac{2 \cdot 0}{2 \cdot 1})$

Step 3.8.2.3.12.2.3

Rewrite the expression.

$\frac{6}{7} - (\frac{1}{2} - \frac{0}{1})$

Step 3.8.2.3.12.2.4

Divide $0$ by $1$ .

$\frac{6}{7} - (\frac{1}{2} - 0)$

Step 3.8.2.3.13

Multiply $- 1$ by $0$ .

$\frac{6}{7} - (\frac{1}{2} + 0)$

Step 3.8.2.3.14

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

$\frac{6}{7} - \frac{1}{2}$

Step 3.8.2.3.15

To write $\frac{6}{7}$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{6}{7} \cdot \frac{2}{2} - \frac{1}{2}$

Step 3.8.2.3.16

To write $- \frac{1}{2}$ as a fraction with a common denominator, multiply by $\frac{7}{7}$ .

$\frac{6}{7} \cdot \frac{2}{2} - \frac{1}{2} \cdot \frac{7}{7}$

Step 3.8.2.3.17

Write each expression with a common denominator of $14$ , by multiplying each by an appropriate factor of $1$ .

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Step 3.8.2.3.17.1

Multiply $\frac{6}{7}$ by $\frac{2}{2}$ .

$\frac{6 \cdot 2}{7 \cdot 2} - \frac{1}{2} \cdot \frac{7}{7}$

Step 3.8.2.3.17.2

Multiply $7$ by $2$ .

$\frac{6 \cdot 2}{14} - \frac{1}{2} \cdot \frac{7}{7}$

Step 3.8.2.3.17.3

Multiply $\frac{1}{2}$ by $\frac{7}{7}$ .

$\frac{6 \cdot 2}{14} - \frac{7}{2 \cdot 7}$

Step 3.8.2.3.17.4

Multiply $2$ by $7$ .

$\frac{6 \cdot 2}{14} - \frac{7}{14}$

Step 3.8.2.3.18

Combine the numerators over the common denominator.

$\frac{6 \cdot 2 - 7}{14}$

Step 3.8.2.3.19

Simplify the numerator.

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Step 3.8.2.3.19.1

Multiply $6$ by $2$ .

$\frac{12 - 7}{14}$

Step 3.8.2.3.19.2

Subtract $7$ from $12$ .

$\frac{5}{14}$

Step 4