Find , if and…

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

Problem

1. Find

|\vec{a} \times \vec{b}|

, if

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

and

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