||'''Book'''|| Linear Algebra ||
 ||'''Author'''|| Gilbert Strang ||
 ||'''Edition'''||  ||

/* code_begins */

{{{
i=identity_matrix(2)
print i
print
a=matrix([[1,4],[5,6]])
print a
a+i
a.eigenvalues()
(a+i).eigenvalues()        /*A AND A+I DONOT HAVE SAME EIGEN VALUES    */

}}}

/* code_ends */

 * '''Solution by''': 
Tejaswi,student,prakasam
                        Jyothi,student,prakasam