Let f,g be scalar functions, v be a vector function, and assuming sufficient differentiability. Then one of the following is not correct: a) div (fv) = fdiv (3) + Vf · v b) div (fVg) = ƒV²g+Vf •Vg c)...

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Extracted text: Let f,g be scalar functions, v be a vector function, and assuming sufficient differentiability. Then one of the following is not correct: a) div (fv) = fdiv (3) + Vf · v b) div (fVg) = ƒV²g+Vf •Vg c) curl (Vf) = 0 d) div (curl 3) = 0 e) curl (fi) = Vf × ở – fcurl (7)