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2xy dy dx x 2 y 2 1
2xy dy dx x 2 y 2 1 pictures 5
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2xy dy dx x
2xy dy dx x 2 y 2 1
2xy 4 y 2 dx y 1 x 2 2 dy 0
dy dx x 2 y 2 1 2xy bernoulli
x y 2 dx 2xy x 2 1 dy 0
solve 2xy dy x 2 y 2 1 dx 0
x 2 dy dx 2xy 3y 4 y 1 )u003d 1 2
2xy dy dx x 2 y 2 1
