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Let vec(a)=2hati-hatj+hatk,vec(b)=hati+2...

Let `vec(a)=2hati-hatj+hatk,vec(b)=hati+2hatj-hatk` and `vec( c )=hati+hatj-2hatk` be three vectors. A vector in the plane of `vec(b)` and `vec( c )` whose projection on `vec(a)` is of magnitude `sqrt(2//3)` is

A

`2hati+hatj+5hatk`

B

`2hati+3hatj-3hatk`

C

`2hati-hatj+5hatk`

D

`2hati+3hatj+3hatk`

Text Solution

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The correct Answer is:
B
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