Q .     Let `vec A = 2 hat i + hat j + 2 hat k` and `vec b = hat i + hat j` If `vec c` is a
vector such that `vec a . vec c = | vec c | , | vec c - vec a | = 2sqrt2` and
the angle between `vec a xx vec b` and `vec c` is `30°`, then
`| (vec a xx vec b) xx vec c |` is equal to

UPSEE 2009
A

`2/3`

B

`3/2`

C

`2`

D

`3`

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