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

/* code_begins */

{{{
A4= matrix([[4.12,-3.89],[6.04,2.55]]) 
b4= vector([33.0,5.464]) 
x4= A4.solve_right(b4) 
print x4 
}}}

/* code_ends */

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