If , , and , find…

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

Problem

If a=2i^−3j^+7k^\mathbf{a}=2\hat{i}-3\hat{j}+7\hat{k}, b=i^+2k^\mathbf{b}=\hat{i}+2\hat{k}, and c=j^−k^\mathbf{c}=\hat{j}-\hat{k}, find a⋅(b×c)\mathbf{a}\cdot(\mathbf{b}\times\mathbf{c}).

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