1. Calculate the data line integrals (1-4)

Where LAB - line segment AB, A (2π, -2π); B (-2π, 2π).

Where L - the arc of the curve x = cost, y = sint, z = √3t, 0 ≤ t ≤ 2π

Where L - the first quarter of the ellipse x2 / a2 + y2 / b2 = 1

Where LOA - arc of a parabola y = 2√x from point O (0, 0) to the point A (1, 2).

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