Sorry I made a mistake, problem is next:
dx/(x+y-xy^2) = dy/(x^2y-x-y) = dz/(z(y^2-x^2))
Maybe now there is solution. Those changes can't help, they wouldnt simplify the expression, but thanks...
Hello, I'm new at these equations so I need help. I'm not able to solve this partial differential equation, if there is somebody who can help me do it plzz...
http://galeb.etf.bg.ac.yu/~ii030168d/problem/problem.GIF [Broken]
OK, it begins like this...