Lemma
MediumGreen, Stokes & divergence
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §15.4 Surface Integrals, #22 · Multivariable Calculus · Green, Stokes & divergence

…, …, … (not …)

Calculate , , , and .

, , (not ).

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §15.4 Surface Integrals, #22

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