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If vec(OA)=hat(i)-2hat(k) " and " vec(OB...

If `vec(OA)=hat(i)-2hat(k) " and " vec(OB)=3hat(i)-2hat(j)` then the direction cosines of the vector `vec(AB)` are -

A

`1/sqrt(3),1/sqrt(3),-1/sqrt(3)`

B

`2,2,2`

C

`-1/sqrt(3),-1/sqrt(3),1/sqrt(3)`

D

`-1/sqrt(3),1/sqrt(3),-1/sqrt(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
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