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The vectors bar aand barbare non-colline...

The vectors `bar a`and `barb`are non-collinear.The value of x for which the vectors `barc=(x-2)bara+barb`and `bard=(2x+1)bara-barb`are collinear,is

A

1

B

`1/2`

C

`1/3`

D

3

Text Solution

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The correct Answer is:
C
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