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

/* code_begins */

{{{
v=vector([2,2,-1])
v
z=vector([-1,2,2])
z
v*z

}}}

/* code_ends */

 * '''Solution by''': 
   * laiti apoorva, student, <bit>