Find the Triple Scalar Product U · (V × W) $\mathbf { u } = ( 7,9,4 ) , \mathbf { v } = ( 9 , - 4,1 ) , \mathbf { w } = ( 8,8 , - 4 )$

Multiple Choice

Find the triple scalar product u · (v × w) for the vectors $\mathbf { u } = ( 7,9,4 ) , \mathbf { v } = ( 9 , - 4,1 ) , \mathbf { w } = ( 8,8 , - 4 )$

A) 768
B) 868
C) 993
D) 618
E) 1193