3. Find the work done by the force field F(x, y, z) = (z, x, y) 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 cost, y=t, z = 3 sint. 4. (a) Evaluate fox ds where C is the arc of the parabola y = x² from (0,0) to (1, 1)

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A: Steps and explanations are as follows:In case of any doubt, please let me know. Thank you.

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