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x 2 y 2 3 dy dx 2x 2y x 2 y
y dx 2 x + y dy
3xy+y 2 dx x 2+xy dy 0
xy dx + x2y3 dy
x+3y+2 dy 1+xy dx
y-xy 2 dx- x+x 2y dy 0
dydx y 2xy-x 2
dydx y x+y 3
dydx y 3e x+y 2
x-2 dydx y+2 x-2 3
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