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

MATHEMATICS · Subjective · A Level · Mathematics · Vectors · Vectors

Problem

Find the value of

k

so that the vectors

\mathbf{u}=\langle 2,\,k,\,-3\rangle

and

\mathbf{v}=\langle 1,\,4,\,k\rangle

are perpendicular.