2x(y^2 + y) dx + (x^2 -1) y dy = 0

I tried to see if they were an exact equation and I came up with 4xy+2x and 2yx which does not make it an exact equation.

Any help would be great.

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- Dec 7th 2008, 01:52 PMjustin6mathhelpGeneral Solution of Differential Equation
2x(y^2 + y) dx + (x^2 -1) y dy = 0

I tried to see if they were an exact equation and I came up with 4xy+2x and 2yx which does not make it an exact equation.

Any help would be great. - Dec 7th 2008, 03:13 PMmr fantastic