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If bara,barb,barc are any three coplanar...

If `bara,barb,barc` are any three coplanar unit vectors then

A

(a) `bara.(barbxxbarc)=1`

B

(b) `bara.(barbxxbarc)=3`

C

(c) `(baraxxbarb).barc=0`

D

(d) `(barcxxbara).barb=1`

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The correct Answer is:
C
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