Attachment 29217

Attachment 29218

First is the problem and next one is my sols.

but it doesn't satisfy Stokes' Theorem S curl(F)*dA= Sc F*dl

surface integral = 0, Line integral (with x^2+y^2=1) = 2pi

what's wrong with me

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- September 20th 2013, 11:49 PMYoonStokes Theorem :( help me
Attachment 29217

Attachment 29218

First is the problem and next one is my sols.

but it doesn't satisfy Stokes' Theorem S curl(F)*dA= Sc F*dl

surface integral = 0, Line integral (with x^2+y^2=1) = 2pi

what's wrong with me - September 21st 2013, 09:23 AMHallsofIvyRe: Stokes Theorem :( help me
Well, I can't speak to what's wrong with you! But here, you have a sign error.

With those two "-" signs, the partial derivatives**add**: