Mark against the correct answer in each of the following:

Question:

Mark $(\sqrt{)}$ against the correct answer in each of the following:

$\vec{a} \cdot(\vec{a} \times \vec{b})=?$ 

A. 0

B. 1

C. $\mathbf{a}^{2} \mathbf{b}$

D. meaningless

Solution:

Leave a comment