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X 2dy xy y 2 dx 0
X 2dy xy y 2 dx 0 pictures 5
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X 2dy xy y
X 2dy xy y 2 dx 0
(x^2+y^3+6x)dx+xy^2 dyu003d0
solve y 2 xy dx x 2dy 0
x^2y x^2 dy(y^2 x y^2)dxu003d0
x^2 dy-(1 6x^2+xy+y^2)dxu003d0
x 2dy xy y 2 dx 0
