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

/* code_begins */

p=matrix([[0,1,0],[0,0,1],[1,0,0]])
var('q,q1')
q=p.transpose()
q1=p.inverse()
bool(q)==bool(q1)
/* code_ends */

 * '''Solution by''': 
   
   * <guna>, <student>, <snist>