Find the value of such that the vectors and are perpendicular.

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

Problem

Find the value of

k

such that the vectors

\vec{a}=2\mathbf{i}-3\mathbf{j}+4\mathbf{k}

and

\vec{b}=k\mathbf{i}+6\mathbf{j}-8\mathbf{k}

are perpendicular.