Find the work done by the force F(x, y, z) = 8xy3zi + 12x2y2zj + 4x2y3k acting along the helix r(t) = 2 cos ti + 2 sin tj + tk from (2, 0, 0) to (1, V3, 7T/3). From (2, 0, 0) to (0, 2, 7T/2). [Hint: Show that Fis conservative.]

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