Q: solve diff equation: [2ysin(x)+3y^4*sin(x)cos(x)]dx-[4y^3*cos^2(x)+cos(x)]dy=0
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Originally Posted by Mathventure Q: solve diff equation: [2ysin(x)+3y^4*sin(x)cos(x)]dx-[4y^3*cos^2(x)+cos(x)]dy=0 If you multiply by the equation becomes exact.
Originally Posted by danny arrigo If you multiply by the equation becomes exact. but what is method to calculate integrating factor cos(x)??
Originally Posted by Mathventure but what is method to calculate integrating factor cos(x)?? IF your ODE is not exact ie. then one looks for an integrating factor such that If only then which in your case it is (very fortunate)!
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