For non-zero vectors and

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

Problem

For non-zero vectors

\mathbf{p}

and

\mathbf{q}

, the equality

\mathbf{p}-\mathbf{q}=\mathbf{q}-\mathbf{p}

holds if and only if (a)

\mathbf{p}=-\mathbf{q}

(b)

|\mathbf{p}|=|\mathbf{q}|

(c)

\mathbf{p}=\mathbf{q}

(d)

\mathbf{p}\cdot\mathbf{q}=0