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

/* code_begins */

{{{
D=matrix([[1,0,0],[5,1,0],[4,0,-1]])
print D
D.det()
(D/2).det()
(-D).det()
(D**2).det()
E=D.inverse()
print E.det()
}}}

/* code_ends */

 * '''Solution by''': 
   * <C.Pratyusha>, <Student>, <SNIST>
   * <Reepu Kumari>, <stdudent>, <SNIST>
   *<Renuka.Y>,<Student>,<SNIST>