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lf bara,barb,barc are coplanar unit vect...

lf `bara,barb,barc` are coplanar unit vectors, then
`[2bara-barb,2barb-barc,2barc-bara]=`

A

(a) `0`

B

(b) `1`

C

(c) `sqrt(3)`

D

(d) `-sqrt(3)`

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The correct Answer is:
A
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