View Single Post
Apr30-11, 09:38 AM
Sci Advisor
HW Helper
tiny-tim's Avatar
P: 26,148
Using polar co-ord. to change double integral into single integral involving only r.

Quote Quote by gikiian View Post
The x-y region is x^2 + y^2 = 4 in the first quadrant.
ah, thought so!

in that case, yes your integral is correct

(though showing a bit of working might have been a good idea )