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If a1 and a2 are two non-collinear unit ...

If `a_1 and a_2` are two non-collinear unit vectors and if `|a_1+a_2|=sqrt(3)`, then the value of `(a_1-a_2)*(2a_1+a_2)` is

A

2

B

`3/2`

C

`1/2`

D

1

Text Solution

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The correct Answer is:
C
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