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Let the vectorsveca"and"vecbbe such that...

Let the vectors`veca"and"vecb`be such that
`|veca|=3"and"|vecb|=sqrt2/3`,then `vecaxxvecb ` is a unit vector, if the angle between `veca"and"vecb`is : a)`pi/6` b)`pi/4` c)`pi/3` d)`pi/2`

A

pi/6'

B

pi/4'

C

pi/3'

D

pi/2'

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The correct Answer is:
B
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