Images A X2 XY Y2 X Y

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A x2 xy y2 x y. Уравнение x^2y'+1=y-XY'. X^2y-XY^2=0. (1-2xy)y'=y(y-1)решение. XY'+Y=X+1.
Уравнение x^2y'+1=y-XY'. X^2y-XY^2=0. (1-2xy)y'=y(y-1)решение. XY'+Y=X+1.

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