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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class12  >>  Vector Algebra
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If $\overrightarrow a,\overrightarrow b,\overrightarrow c$ are three non coplanar vectors then $(\overrightarrow a+\overrightarrow b+\overrightarrow c).(\overrightarrow b+\overrightarrow c)\times (\overrightarrow c+\overrightarrow a)=?$

$\begin{array}{1 1} =[\overrightarrow a\:\overrightarrow b\:\overrightarrow c] \\ =2[\overrightarrow a\:\overrightarrow b\:\overrightarrow c] \\ 0 \\ =-[\overrightarrow a\:\overrightarrow b\:\overrightarrow c]\end{array} $

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