Find the inverse transforms of the following functions: (a) F1s s 10000s 100000 ss

Find the inverse transforms of the following functions:

(a) F1ðsÞ ¼

ðs þ 10000Þðs þ 100000Þ

sðs þ 1000Þðs þ 50000Þ

(b) F2ðsÞ ¼ 3ðs4 þ 10s2 þ 4Þ

sðs2 þ 1Þðs2 þ 4Þ