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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2003
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Q)
If $\overrightarrow{u}, \overrightarrow{v} $ and $\overrightarrow{w}$ are three non-coplanar vectors, then $(\overrightarrow{u} + \overrightarrow{v} - \overrightarrow{w}) . [(\overrightarrow{u} - \overrightarrow{v}) \times (\overrightarrow{v} - \overrightarrow{w} ) ] $ equals :
( A ) $0$
( B ) $\overrightarrow{u}. \overrightarrow{v} \times \overrightarrow{w}$
( C ) $3\overrightarrow{u}. \overrightarrow{v} \times \overrightarrow{w}$
( D ) $\overrightarrow{u}. \overrightarrow{w} \times \overrightarrow{v}$
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