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If the projection of the vectors vec a o...

If the projection of the vectors `vec a` on `vec b` is `|vec a times vec b|` and if `3 vec b= hat i+ hat j+ hat k` then the angle between `vec a and vec b` is a) `pi//3` b)`pi//2` c)`pi//4` d)`pi//6`

A

`pi//3`

B

`pi//2`

C

`pi//4`

D

`pi//6`

Text Solution

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The correct Answer is:
A
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