A Aldiara27 New member Joined Oct 7, 2008 Messages 4 Oct 7, 2008 #1 How do I use variation of parameters to solve this problem? y'' + y = tan(t) - 1 + exp(3t) I know the roots of the left hand side are +/- i. I'm not sure what to do with the right hand side. Any help would be appreciated!
How do I use variation of parameters to solve this problem? y'' + y = tan(t) - 1 + exp(3t) I know the roots of the left hand side are +/- i. I'm not sure what to do with the right hand side. Any help would be appreciated!
D Deleted member 4993 Guest Oct 8, 2008 #2 go to : http://mathworld.wolfram.com/Second-Ord ... ation.html for a quick review.