The vectors and make an angle of

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

Problem

The vectors

\mathbf{a}=\langle 3,\,-2,\,4\rangle

and

\mathbf{b}=\langle k,\,1,\,2\rangle

make an angle of

60^{\circ}

. Determine the possible value(s) of

k

.

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