Recent content by LUMath2012

1. Find the first four nonzero terms of the power series approximation of the solution. y"-4y = 4t-8e-2t y(0)=1, y'(0)=-1 2. y=\suma_n*t^n where the summation goes from 0 to infinity 3. I have done a homogeneous problem similar to this and had no problems finding the first four...