Photos X Y DX

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X y dx. Y'-XY=-Y^3e^-x^2. (3x2+2y)DX+2x-3 dy=0. X^3dy-y(x^2+y^2)DX=0. X^2dx=3x^2dy.
Y'-XY=-Y^3e^-x^2. (3x2+2y)DX+2x-3 dy=0. X^3dy-y(x^2+y^2)DX=0. X^2dx=3x^2dy.

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