1. Show that this expression is a total differential of the function u (x, y). Find u (x, y) function
1.2. (2xy2 / (1 + x2y2) -3) dx + (2x2y / (1 + x2y2) -5) dy
2. Solve the following tasks:
2.2. Calculate the moments of inertia with respect to the homogeneous line segment axes 2x + y = 1, lying between the axles.
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