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

/* code_begins */

{{{
m=matrix([[-3,0,0],[6,4,0],[-1,2,5]])
x=matrix([[4,0],[2,5]])
m[0,0]*det(x)
}}}

/* code_ends */

 * '''Solution by''': 
   * sneha,student,pec
   * divya,student,pec