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If a non zero vector bara is a parallel ...

If a non zero vector `bara` is a parallel to the line of intersection of the plane determined by the vectors `hatj - hatk, 3hatj - 2hatk` and the plane determined by the vecrtors `2hati + 3hatj, hati - 3hatj,` then the angle between the vectors and `bara and bari + barj + bark` is

A

`cos^-1(+-1/sqrt3)`

B

`sin^-1(2/sqrt3)`

C

`tan^-1(sqrt3)`

D

`cos^-1(+-2/sqrt3)`

Text Solution

Verified by Experts

The correct Answer is:
A
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