Exercises 1: Solve the following differential equations: (ey + y cos y)dx + (xe³ + x cos xy)dy = 0 (2xy3 2x3 y3 - 4xy2 + 2x)dx + (3x2 y2 +4y)dy = 0. - 2xy3 dx + (3x2 y2 + x2y3 + 1) dy = 0 x(x + y²)dy = y(3x - 2y2) dx xy" y' = 3x². ✓

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