If a , b, c are three non- coplanar vectors, then (a+ b + c).[(a + b) X (a + c)] equal. A.0 B.[a b c] C. 2[a b c] D.-[a b c]

Question

If a , b, c are three non- coplanar vectors, then (a+ b + c).[(a + b) X (a + c)] equal. 

A.0

B.[\(\vec a\,\vec b\,\vec c\)]

C. 2[\(\vec a\,\vec b\,\vec c\)]

D.-[\(\vec a\,\vec b\,\vec c\)]

Answer 1

Correct option is C. [\(\vec a\,\vec b\,\vec c\)]