Determine the unit vector perpendicular to both and whose -component is positive.

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

Problem

Determine the unit vector perpendicular to both

\mathbf{a}=3\mathbf{i}-\mathbf{j}+4\mathbf{k}

and

\mathbf{b}=2\mathbf{i}+5\mathbf{j}-\mathbf{k}

whose

z

-component is positive.