If , , and are mutually perpendicular, show that…

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

Problem

If

\mathbf a

,

\mathbf b

, and

\mathbf c

are mutually perpendicular, show that

\mathbf c\times(\mathbf a\times\mathbf b)=\mathbf0

.

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