OR Example 3: Calculate the inverse Laplace transform of the following functions. s + 4 1. (s ) = F (s 2 − 12 + 20 ) s 6 + 2 s 2. (s ) = F ( + ) 5 3 s 10 + 4 s 3. (sF ) = ( − 2 )(s 2 + ) 4 s 45