If , , , then find the value of…

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

Problem

If a=2i^+3j^−k^\mathbf{a} = 2\hat{i} + 3\hat{j} - \hat{k} , b=−i^+2j^−4k^\mathbf{b} = -\hat{i} + 2\hat{j} - 4\hat{k} , c=i^+j^+k^\mathbf{c} = \hat{i} + \hat{j} + \hat{k} , then find the value of (a×b)⋅(a×c)(\mathbf{a} \times \mathbf{b}) \cdot (\mathbf{a} \times \mathbf{c}) .

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