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Let veca,vecb and vecc be the non zero v...

Let `veca,vecb and vecc` be the non zero vectors such that `(vecaxxvecb)xxvecc=1/3 |vecb||vecc|veca.` if theta is the acute angle between the vectors `vecb and veca` then theta equals (A) `1/3` (B) `sqrt(2)/3` (C) `2/3` (D) `2sqrt(2)/3`

A

`2//3`

B

`sqrt(2)//3`

C

`1//3`

D

`2sqrt(2)//3`

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The correct Answer is:
D
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