Homework Statement
x''+13y'-4x=6sint , y''-2x'-9y=0
The Attempt at a Solution
I am not really sure how to solve this completely, but I have done this so far:
(D^2-4)x + 13Dy - 6sint = 0 , (D^2-9)y - 2Dx = 0
then I hit a brick wall. Any help would be appreciated, thanks.