i'm stuck. could someone please help me with this? thanks!
find the general solution:
(r+1)^2 which means r1=r2=-1
The Attempt at a Solution
back into the equation:
now im stuck! what am i doing wrong?! this is the "easiest" problem! isn't the A left there and that's how i find the GS?
the answer is supposed to be c1e^-t+c2tAe^-t+t^2Ae^-t