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

/* code_begins */

{{{
A13= matrix([[3.4,-6.12,-2.72],[-1,1.8,0.8],[2.7,-4.86,-2.16]]) 
b13= vector([0,0,0]) 
x13= A13.solve_right(b13) 
print x13 
}}}

/* code_ends */

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