What method should I use to solve the equation $\displaystyle (x+y)dx-(x-y)dy=0$ ? It looks like I might need to find an integrating factor to make it exact, but maybe there's a simpler way?

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- Oct 9th 2008, 12:51 AM #1

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- Oct 9th 2008, 01:21 AM #2

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- Oct 9th 2008, 02:00 AM #3

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- Oct 9th 2008, 03:23 AM #4

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