Thread: The Laplace Transform

1. The Laplace Transform

Find the Laplace transform, indicating the region of convergence of the integrals involved:

$L^{-1}\{s^{-1}(s^2 + 9)^{-1}\}$

2. The inverse LaPlace is $\frac{1-cos(3t)}{9}$

That'll give you something to shoot for.