If , and are unit vectors, then does not…

MATHEMATICS · Single correct · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

\mathbf{a}

\mathbf{b}

and

\mathbf{c}

are unit vectors, then

|\mathbf{a} - \mathbf{b}|^2 + |\mathbf{b} - \mathbf{c}|^2 + |\mathbf{c} - \mathbf{a}|^2

does not exceed (1) 4 (2) 9 (3) 8 (4) 6