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In: Math

Let f(x,y) be a scalar function, and let F(x,y,z) be a vector field. Only one of...

Let f(x,y) be a scalar function, and let F(x,y,z) be a vector field. Only one of the following expressions is meaningful. Which one?

a) grad f x div F

b) div(curl(grad f))

c) div(div F)

d) curl(div(grad f))

e) grad(curl F)

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