Consider F and C below. F(x, y, z) = (y²z + 2xz2)i + 2xyzj + (xy² + 2x²z) k, C: x = Vt, y =t + 8, z = t2, 0sts1 (a) Find a function f such that F = Vf. f(x, у, z) %3D (b) Use part (a) to evaluate F• dr along the given curve C.

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