Find U × V A) $( - 4 ) \mathbf { i } + ( 68 ) \mathbf { j } + ( - 24 ) \mathbf { k }$

Multiple Choice

Find u × v. $\mathbf { u } = ( 2 ) \mathbf { i } + ( - 2 ) \mathbf { j } + ( - 6 ) \mathbf { k } , \quad \mathbf { v } = ( - 9 ) \mathbf { i } + ( - 3 ) \mathbf { j } + ( - 7 ) \mathbf { k }$

A) $( - 4 ) \mathbf { i } + ( 68 ) \mathbf { j } + ( - 24 ) \mathbf { k }$
B) 30
C) 18
D) $( - 4 ) \mathbf { i } + ( - 68 ) \mathbf { j } + ( - 24 ) \mathbf { k }$
E) $( - 18 ) \mathbf { i } + ( 6 ) \mathbf { j } + ( 42 ) \mathbf { k }$