# Homework Help: Integration question

1. Feb 27, 2007

### O.J.

1. Integrate x^3 / (x+1)^10

Tried substitution with u = x+1, or x+1 cubed, but no go

2. Feb 27, 2007

### cristo

Staff Emeritus
You could just write it as $$x^3(x+1)^{-10}$$ and integrate by parts a few times.

3. Feb 27, 2007

### neutrino

If u = x+1, then x = u-1, isn't it?