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

MATHEMATICS · Single correct · A Level · Mathematics · Vectors · Vectors

Problem

Find the value of kk such that the vectors ⟨k, 2, −3⟩\langle k,\,2,\,-3\rangle and ⟨4, −1, k⟩\langle 4,\,-1,\,k\rangle are perpendicular. (a) −2-2 (b) 00 (c) 22 (d) 12\dfrac12

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