9–12 Find the Laplace transforms of the following waveforms.

Locate the poles and zeros of F(s). Use MATLAB to verify your results.

(a) f 1

ðtÞ ¼ 5dðtÞ þ 625t e25t uðtÞ

(b) f 2

ðtÞ ¼ 10 þ 5e10tðcos 10t þ sin 10tÞ

 

uðtÞ