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## Homework Statement

[itex]\int[/itex](x^(1/3)/(x^(1/3)+1))dx

## Homework Equations

I know I have to use u substitution

u=x^(1/3)

du=1/(3x^(2/3))dx

## The Attempt at a Solution

I know that the denominator of the equation will be u+1, but I don't understand how to find the numerator because I thought it would just be u, but wolfram alpha says it's u^3?