5m Zen
X 3y 2 xy dx dy
X 3y 2 xy dx dy pictures 5
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X 3y 2 xy
X 3y 2 xy dx dy
x 2 xy 3y 2 dx x 2 2xy dy 0
x 3y 2 dy 1 xy dx
dy dx 4 xy x 3y 2
3y 2 )( dy )/( dx )+ xy 3 )u003d x
xy 2 x 3y 6 find dy dx
xy dx x 2 3y dy 0 bernoulli
dy dx xy 2y x 2 xy 3y x 3
x 3y 2 xy dx dy