$(x+y)^2 = x^2 + y^2$
Really? Try it again.
hey guy, I'm having a problem with double integral integration. Can you guys tell me where I went wrong?
The equation is
let
However, I seem like this answer is wrong, and the correct answer should be
Can anyone point out what I did wrong here?
Best Regards
Junks
ahh, I see, I'll let U=x^2 + y^2
.................................................. ..........................................
So I let
let and
and
using this rule
the answer turn out to be -0.38, but the correct answer seem to be pi/12 or 0.26. What did I do wrong in here?