Mathematics

Mathematics

Problem

Given a=3i^−2j^+k^\mathbf{a}=3\hat{i}-2\hat{j}+\hat{k} and b=−6i^+4j^−2k^\mathbf{b}=-6\hat{i}+4\hat{j}-2\hat{k}, find the value of kk that satisfies ka+b=0k\mathbf{a}+\mathbf{b}=\mathbf{0}. a) −12-\dfrac{1}{2} b) 2 c) −2-2 d) 12\dfrac{1}{2}

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