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

/* code_begins */

{{{
M = MatrixSpace(QQ, 3,4)
A = M([1,3,1,2,2,6,4,8,0,0,2,4])
A
b=vector([1,3,1])
x = A.solve_right(b)
print x
A * x
}}}

/* code_ends */

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