Recent content by mwg

Thank you so much! one more question though, do I set sum lambda G = f(x) and solve? (sorry, couldn't figure the Latex here)

Homework Statement need to find the green function for d^2X / dt^2 + 2 dX/dt +(1+k^2)X= f(t) with IV X(0)=dX/dt (=0) = 0 Homework Equations eq. attached The Attempt at a Solution attached whenever I try to solve the homogonous part, I get 0 due to the IV. guessing my...