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If ` vec u , vec v and vec w` are three non-coplanar vectors, then prove that `( vec u+ vec v- vec w) . [ [( vec u- vec v)xx( vec v- vec w)]]= vec u . vec v xx vec w`

A

`0`

B

`u*vtimesw`

C

`u*wtimesv`

D

`3u*vtimesw`

Text Solution

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The correct Answer is:
B
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