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

Where LAB - arc line y = lnx from point A (1, 0) to point B (e, 1).

Where L - the first arch of the cycloid x = t - sint, y = 1 - cost.

Where L - the first round of the lemniscate ρ2 = 7cos2φ.

Where LOA - a line segment from the point O (0, 0) to point A (1, 2)

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