- #1
Gale
- 684
- 2
Homework Statement
[tex] \int_{0}^{1}\int_{0}^{1} xy \sqrt{x^2 + y^2} dy dx [/tex]
Homework Equations
The Attempt at a Solution
So I tried integration by parts, but I'm not really coming up with anything simpler. I also thought I could use a u substition, letting u= x^2+y^2, but then it was looking so messy that I thought it must be wrong. Its been a while since I've done calculus, so I'm just really unconfident in my approach.