Find a basis for the space spanned by the given vectors.
[ 1 ] [ 6 ] [2 ] [12] [19]
[ 0 ] [ 0 ] [-3] [-9] [-6]
[ 0 ] [ 0 ] [ 3] [9 ] [ 6]
[ 1 ] [-6 ] [-3][-18][-21]



Answer :