Can you separate the equation below (y^2+2xy)y' + y^2 = 7x into the form of exact equation: M(x,y) dx + N(x,y) dy = 0 ? It seem like impossible ?
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as you should know: y'=dy/dx, so
(y^2+2xy)(dy/dx)= 7x- y^2
(y^2+2xy)dy= (7x- y^2)dx
Sorry, how did you get 7x ?
but.... are we supposed to move the x to the right and y to the left?
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i mean there is still variable y in the dy equation.
no: the finale shude be:
(y^2+2xy)dy- (7x- y^2)dx =0
ok... my bad....
that's not important. You what exact equation is?
I was confused with the separable equation.. hahaha
thanks a lot....
I cannot give two best answer
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