# An integration problem

• Dec 2nd 2008, 09:10 PM
An integration problem
How to integrate x*sqrt(2ax-x^2)
• Dec 2nd 2008, 10:22 PM
CaptainBlack
Quote:

Try the change of variable $u=x-a$ then the integral becomes:
$\int (u-a)\sqrt{a^2-u^2}\ du$