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If | vec(a)|= 4 , |vec(b)| = 2 sqrt(3) a...

If `| vec(a)|= 4 , |vec(b)| = 2 sqrt(3) and |vec(a) xx vec(b)| = 12, `then the angle between the vectors `vec (a) and vec (b) ` is -

A

`pi/3`

B

`pi/6`

C

`pi/4`

D

`pi/2`

Text Solution

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The correct Answer is:
a
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