Solve

x^3y^'''+5x^2y^''+7xy^'+8y=t+e^(-t)

2 answers

well, the solution of the homogeneous equations is

y = c1 cos(2lnx) + c2 sin(2lnx) + c3/x^2

Not sure what to do with the t's, though.
steve how u got that solution?