What is the integral of (x^4)/(\sqrt[5]{x^5+4)} ?

The integral of (x^4)/(\sqrt[5]{x^5+4)} is 1/4 (x^5+4)^{4/5}+C

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integral of (x^4)/(\sqrt[5]{x^5+4)}

\frac{1}{4} (x^{5} + 4)^{\frac{4}{5}} + C

Solution steps

Apply u-substitution

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

Apply the Power Rule

: \frac{5}{4} u^{\frac{4}{5}}

= \frac{1}{5} \cdot \frac{5}{4} u^{\frac{4}{5}}

Substitute back

u = x^{5} + 4

= \frac{1}{5} \cdot \frac{5}{4} (x^{5} + 4)^{\frac{4}{5}}

Simplify

\frac{1}{5} \cdot \frac{5}{4} (x^{5} + 4)^{\frac{4}{5}} : \frac{1}{4} (x^{5} + 4)^{\frac{4}{5}}

= \frac{1}{4} (x^{5} + 4)^{\frac{4}{5}}

Add a constant to the solution

= \frac{1}{4} (x^{5} + 4)^{\frac{4}{5}} + C

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What is the integral of (x^4)/(\sqrt[5]{x^5+4)} ?
The integral of (x^4)/(\sqrt[5]{x^5+4)} is 1/4 (x^5+4)^{4/5}+C