View Single Post
Dick is offline
Sep20-07, 03:34 PM
Sci Advisor
HW Helper
P: 25,167

Special Integrating Factor?

OOOOPS. Apologies, I sent the wrong thing. You are right on the differentiation. But I still don't like the integral of x^2*cos(xy)dy. Can you check that one again. I still get x*sin(xy).