||'''Book'''|| Linear Algebra ||
 ||'''Author'''|| Gilbert Strang ||
 ||'''Edition'''||  ||

/* code_begins */

{{{
A=matrix([[2,1],[1,7]])
B=matrix([[-2,5],[0,8]])
C=matrix([[6,0,3],[1,0,-5]])
D=matrix([[4,0,-4],[-3,4,9]])
6*((C.transpose()+3*D.transpose()).transpose())
6*C+18*D
}}}

/* code_ends */

 * '''Solution by''': 
   * <Monica>, <Student>, <SNIST>