(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

for the vector field E=x(xy)-y(x^2 +2y^2)

find E.dl along the contour

find (nabla)xE along the surface x=0 and x=1 y=0 and y=1

2. Relevant equations

3. The attempt at a solution

i tried the second question (nabla)xE over the surface by finding the determinant of the matrix as -2x-x=-3x so (nabla)xE=-3x and integrating along the surface x and y i found the answer to be -3/2 but the answer is meant to be -1 for both cases in order to prove stokes thm

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# Proving stokes theorem

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