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I'm stuck with a problem from Simmons (not HW). The problem asks to solve the following equation by finding an integrating factor

[tex](xy-1)dx + (x^2 - xy)dy = 0[/tex]

I found by hit and trial that there can be no integrating factor that is a function of [itex]x[/itex] alone or [itex]y[/itex] alone. So how do I find an integrating factor for this equation? Any ideas?

Thanks

Vivek

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# Solution of First Order DE using Integrating Factors

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