1 x 2 dy xy dx 0 July 8, 2019 16 32 64 128 1 xy 2 dx 1 x 2y dy 0 1 x 2 dy xy x 3 x dx 0 1 x 2 y 2 x 2 y 2 xy dy dx 0 √ 1 x 2 y 2 x 2y 2 xy dy dx 0 Y x 1 x prove that x 2 dy dx xy 2 0 Y 3x 2 dx x 1 xy 2 dy 0
