||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{
s = var("s")
t = var("t")
f = (s^4 + 6*s - 18)/((s^5)- (3*s^4))
F = inverse_laplace(f,s,t)
show(F)
}}}

/* code_ends */

 * '''Solution by''': 
Saurabh Agrawal, Student, IIT Roorkee
Arnab Basu, Student, IIT Roorkee
Rachit Jha, Student, IIT Roorkee