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

/* code_begins */

{{{
R6=matrix([[3,2,1],[1,3,2],[2,1,3]])
print R6
p6=vector([7,4,7])
x6=R6.solve_right(p6)
print x6
}}}

/* code_ends */

 * '''Solution by''': 
   * <C.Pratyusha>, <Student>, <SNIST>
   * <Reepu Kumari>, <Student>, <SNIST>
   *<Renuka.Y>,<student>,<SNIST>