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

/* code_begins */

{{{
a=matrix([[1,0],
[1,1]])
a.eigenvalues()
b=matrix([[1,1],[0,1]])
b.eigenvalues()
a+b
(a+b).eigenvalues()
}}}

/* code_ends */

 * '''Solution by''': 
   * laiti apoorva, student, BIT