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

/* code_begins */

{{{

m=matrix(QQ,[[2,0,-1],[5,1,0],[0,1,3]])
m.inverse()

}}}

/* code_ends */

 * '''Solution by''': 
   * Akash Singh, Student, CRCE