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

/* code_begins */

{{{
A = matrix([[ 9,3],[-2,0]])
print A
B = matrix([[ 1,-4],[2,5]])
print B
print A * B
print B * A
print A*B == B*A
}}}

/* code_ends */

 * '''Solution by''': 
   * <s.n.v.sainadh,student,vycet>
   * <Your Name>, <Profession>, <Organization>