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

/* code_begins */

{{{
s,t=var('s,t')
f=((s^3-s^2+4)/(s^4-5*s^2+4))
inverse_laplace(f,s,t);f
inverse_laplace(f,s,t)
}}}

/* code_ends */

 * '''Solution by''': 
   * satish billade,lecturer,kbpp
   *balasaheb dhanwate,lecturer,kbpp