Calculus Examples

$\int \frac{6}{5 \sqrt[3]{x}} d x$

Step 1

Since $\frac{6}{5}$ is constant with respect to $x$ , move $\frac{6}{5}$ out of the integral.

$\frac{6}{5} \int \frac{1}{\sqrt[3]{x}} d x$

Step 2

Apply basic rules of exponents.

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Step 2.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt[3]{x}$ as $x^{\frac{1}{3}}$ .

$\frac{6}{5} \int \frac{1}{x^{\frac{1}{3}}} d x$

Step 2.2

Move $x^{\frac{1}{3}}$ out of the denominator by raising it to the $- 1$ power.

$\frac{6}{5} \int {(x^{\frac{1}{3}})}^{- 1} d x$

Step 2.3

Multiply the exponents in ${(x^{\frac{1}{3}})}^{- 1}$ .

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Step 2.3.1

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

$\frac{6}{5} \int x^{\frac{1}{3} \cdot - 1} d x$

Step 2.3.2

Combine $\frac{1}{3}$ and $- 1$ .

$\frac{6}{5} \int x^{\frac{- 1}{3}} d x$

Step 2.3.3

Move the negative in front of the fraction.

$\frac{6}{5} \int x^{- \frac{1}{3}} d x$

Step 3

By the Power Rule, the integral of $x^{- \frac{1}{3}}$ with respect to $x$ is $\frac{3}{2} x^{\frac{2}{3}}$ .

$\frac{6}{5} (\frac{3}{2} x^{\frac{2}{3}} + C)$

Step 4

Simplify the answer.

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Step 4.1

Rewrite $\frac{6}{5} (\frac{3}{2} x^{\frac{2}{3}} + C)$ as $\frac{6}{5} \cdot \frac{3}{2} x^{\frac{2}{3}} + C$ .

$\frac{6}{5} \cdot \frac{3}{2} x^{\frac{2}{3}} + C$

Step 4.2

Simplify.

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Step 4.2.1

Multiply $\frac{6}{5}$ by $\frac{3}{2}$ .

$\frac{6 \cdot 3}{5 \cdot 2} x^{\frac{2}{3}} + C$

Step 4.2.2

Multiply $6$ by $3$ .

$\frac{18}{5 \cdot 2} x^{\frac{2}{3}} + C$

Step 4.2.3

Multiply $5$ by $2$ .

$\frac{18}{10} x^{\frac{2}{3}} + C$

Step 4.2.4

Cancel the common factor of $18$ and $10$ .

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Step 4.2.4.1

Factor $2$ out of $18$ .

$\frac{2 (9)}{10} x^{\frac{2}{3}} + C$

Step 4.2.4.2

Cancel the common factors.

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Step 4.2.4.2.1

Factor $2$ out of $10$ .

$\frac{2 \cdot 9}{2 \cdot 5} x^{\frac{2}{3}} + C$

Step 4.2.4.2.2

Cancel the common factor.

$\frac{2 \cdot 9}{2 \cdot 5} x^{\frac{2}{3}} + C$

Step 4.2.4.2.3

Rewrite the expression.

$\frac{9}{5} x^{\frac{2}{3}} + C$