Question

laplace y''-y=e^t cost

Answer 1

are you familiar with the laplace transform for y' and y" ?
You can derive it from y' if you don't.

Answer 2

yeap,, actually the initial values are y(0)=0 y'(0)=0

Answer 3

the solution I have until this moment is

Answer 4

\[s^s Y(s)-sy(0)-y'(0)-[sY(s)-y(0)]+s/s^2-2s+2\]

Answer 5

I have class, sorry.... Shall you please help me with this???

Answer 6

if i'm still online.