求通解:(xy-x^2)dy=y^2dx
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求通解:(xy-x^2)dy=y^2dx求通解:(xy-x^2)dy=y^2dx求通解:(xy-x^2)dy=y^2dx(xy-x^2)dy=y^2dxdy/dx=y^2/(xy-x^2)令y/x=t
求通解:(xy-x^2)dy=y^2dx
求通解:(xy-x^2)dy=y^2dx
求通解:(xy-x^2)dy=y^2dx
(xy-x^2)dy=y^2dx
dy/dx=y^2/(xy-x^2)
令y/x=t y=xt
dy=/dx=t+xdt/dx
t+xdt/dx=t^2/(t-1)
xdt/dx=t/(t-1)
(1-1/t)dt=dx/x
t-lnt=lnx +c
y/x-ln(y/x)=lnx+c
求通解:(xy-x^2)dy=y^2dx
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