How to Find an Integrating Factor for an Inexact Differential Equation?

heinerL
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Hello

I'm trying to solve the following DGL with an integrating factor:

x'=xg(y)
y'=yh(x)

which is equivalent to -yh(x)dx+xg(x)dy=0 which is an inexact dg?

How to i find an integrating factor in this case?

thx
 
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already found the solution on my own!
 
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