If and , then find the magnitude of…

MATHEMATICS · Subjective · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

\mathbf{p} = 7\hat{i} - 2\hat{j} + 3\hat{k}

and

\mathbf{q} = 3\hat{i} + \hat{j} + 5\hat{k}

, then find the magnitude of

\mathbf{p} - 2\mathbf{q}