what is the answer of this equation:

(x+y) dx - (xy) dy = 0

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- Nov 16th 2009, 12:39 AM #1

- Nov 16th 2009, 10:31 AM #2
It's interesting that you ask this question - see this

http://www.mathhelpforum.com/math-he...-equation.html

- Nov 16th 2009, 10:26 PM #3