Find the general solution:
y''-2y'-3y=-3te^(-t)
I know how to find y1 and y2, but don't know how to get Y.
This is as far as i got:
y=c1e^(3t)+c2e^(-t)+Y
I can't seem to get the right Y, i checked my answer with the solutions in the back of the book and its wrong.. Find the general solution:
y''-2y'-3y=-3te^(-t)
I know how to find y1 and y2, but don't know how to get Y.
This is as far as i got:
y=c1e^(3t)+c2e^(-t)+Y
I can't seem to get the right Y, i checked my answer with the solutions in the back of the book and its wrong.. @Mathematics

Question

Find the general solution: 
y''-2y'-3y=-3te^(-t)
I know how to find y1 and y2, but don't know how to get Y.
This is as far as i got:
y=c1e^(3t)+c2e^(-t)+Y
I can't seem to get the right Y, i checked my answer with the solutions in the back of the book and its wrong..  Find the general solution: 
y''-2y'-3y=-3te^(-t)
I know how to find y1 and y2, but don't know how to get Y.
This is as far as i got:
y=c1e^(3t)+c2e^(-t)+Y
I can't seem to get the right Y, i checked my answer with the solutions in the back of the book and its wrong..  @Mathematics