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The volume of parallelopiped with vector...

The volume of parallelopiped with vector `bara+2barb-barc,bara-barb and bara-barb-barc` is equal to `k[bar(a)bar(b)bar(c)]` then `k=`

A

`-3`

B

3

C

2

D

`-2`

Text Solution

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The correct Answer is:
B
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