If u, v and w are three non-coplanar vectors, then (u + v – w).[(u – × (v – w)] equals
A. 0
B. u.v × w
C. u.w × v
D. 3u.v × w
Answer:B
If u, v and w are three non-coplanar vectors, then (u + v – w).[(u – × (v – w)] equals
A. 0 B. u.v × w C. u.w × v D. 3u.v × w