Prove that the vectors and are mutually perpendicular.

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

Problem

Prove that the vectors a=2i^−3j^+k^\mathbf{a}=2\hat{i}-3\hat{j}+\hat{k} and b=i^+j^+k^\mathbf{b}=\hat{i}+\hat{j}+\hat{k} are mutually perpendicular.

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