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Let vecr be a unit vector satisfying vec...

Let `vecr` be a unit vector satisfying `vecrxxveca=vecb` where `|veca|=sqrt3` and `|vecb|=sqrt2`, then

A

`vecr=(2)/(3)(veca+vecaxxvecb)`

B

`vecr=(1)/(3)(pmveca+vecaxxvecb)`

C

`vecr=(1)/(4)(pmveca+vecaxxvecb)`

D

`vecr=(2)/(3)(pmveca+vecaxxvecb)`

Text Solution

Verified by Experts

The correct Answer is:
B
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