Question: Find the work done by the force field F(x, y, z) = z i + x j + y k in moving a particle from

Find the work done by the force field F(x, y, z) = z i + x j + y k in moving a particle from the point (3, 0, 0) to the point (0, π/2, 3) along 

(a) a straight line
(b) the helix x = 3 cos t, y = t, z = 3 sin t

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