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

/* code_begins */

{{{
var('a,b,c,d,e,f')
A=matrix([[a,b],[b,c]])
B=matrix([[d,e],[e,f]])
w=A*A-B*B
if w[0,1]==w[1,0]:
    print('Symmetric')
else:
    print ('not Symmetric')
}}}

/* code_ends */

 * '''Solution by''': 
   * sneha,student,pec
   * divya,student,pec