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JEEMAIN-2014
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Q)
If $A,B$ and $C$ are three non- coplanar vectors then $(A+B+C).((A+B) \times (A+B) \times (A+C))$ equals
$\begin{array}{1 1} 0 \\ [A,B,C] \\ 2[A,B,C] \\ -[A,B,C] \end{array} $
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