Find , if and…

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

Problem

Find

|\mathbf{a} \times \mathbf{b}|

, if

\mathbf{a} = \hat{i} - 7\hat{j} + 7\hat{k}

and

\mathbf{b} = 3\hat{i} - 2\hat{j} - 2\hat{k}