Consider F and C below. F(x, y, z) = yz i + xz j + (xy + 6z) k C is the line segment from (1, 0, –3) to (6, 6, 2) (a) Find a function f such that F = Vf. f(x, y, z) = (b) Use part (a) to evaluate Vf• dr along the given curve C.

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