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

/* code_begins */

{{{
#1
A1= matrix([[5,1,2],[1,4,-2],[2,3,8]])
b1= vector([19,-2,39])
x1= A1.solve_right(b1)
print x1
}}}

/* code_ends */

 * '''Solution by''': 
   * Swati Ahuja, Student, IIT Roorkee