Find the value of for which the vectors and are parallel.

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

Problem

Find the value of kk for which the vectors a=⟨2,−1,4⟩\mathbf{a}=\langle 2,-1,4 \rangle and b=⟨6,3k,12⟩\mathbf{b}=\langle 6,3k,12 \rangle are parallel.

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