For F ⃗=(x+y)i ̂+(x+y)j ̂ the value of ∮F ⃗⋅dr ⃗ along the path shown in the figure is _________. Give your answer as an integer.

Using divergence theorem, evaluate the integral ∫∫SF⃗∙n⃗dA, where S is the surface of the cone x²+y² ≤ z², 0 ≤ z ≤ 3. If F⃗ = 4xî + 3zĵ + 5yk̂ is vect...

You should _________ when to say _________.