Comprehensive Guide to WBJEE Mathematics. Other applicable Exams - JEE Main, BITSAT, AMUEEE, MHT-CET, K-CET, EAMCET, VITEEE & Other State Engg. Entrance Exams>Vector Algebra>Reciprocal System of Vectors

Reciprocal System of Vectors

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Comprehensive Guide to WBJEE Mathematics. Other applicable Exams - JEE Main, BITSAT, AMUEEE, MHT-CET, K-CET, EAMCET, VITEEE & Other State Engg. Entrance Exams>Vector Algebra>Reciprocal System of Vectors> Q 1

If $\vec{a}, \vec{b}, \vec{c}$ are three non-coplanar vectors and $\vec{p}, \vec{q}, \vec{r}$ are the reciprocal vectors, then $(l \vec{a} + m \vec{b} + n \vec{c}) \cdot (l \vec{p} + m \vec{q} + n \vec{r})$ is equal to