What is the integral of x/(\sqrt[3]{x+1)} ?

The integral of x/(\sqrt[3]{x+1)} is 3/5 (x+1)^{5/3}-3/2 (x+1)^{2/3}+C

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integral of x/(\sqrt[3]{x+1)}

\frac{3}{5} (x + 1)^{\frac{5}{3}} - \frac{3}{2} (x + 1)^{\frac{2}{3}} + C

Solution steps

Apply u-substitution

Expand

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

\int u^{\frac{2}{3}} d u = \frac{3}{5} u^{\frac{5}{3}}

= \frac{3}{5} u^{\frac{5}{3}} - \frac{3}{2} u^{\frac{2}{3}}

Substitute back

u = x + 1

= \frac{3}{5} (x + 1)^{\frac{5}{3}} - \frac{3}{2} (x + 1)^{\frac{2}{3}}

Add a constant to the solution

= \frac{3}{5} (x + 1)^{\frac{5}{3}} - \frac{3}{2} (x + 1)^{\frac{2}{3}} + C

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What is the integral of x/(\sqrt[3]{x+1)} ?
The integral of x/(\sqrt[3]{x+1)} is 3/5 (x+1)^{5/3}-3/2 (x+1)^{2/3}+C