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Let vec A be a vector parallel to the li...

Let `vec A` be a vector parallel to the line of intersection of planes `P_(1)`and `P_(2)` through the origin. `P_(1)` is parallel to the vectors 2j+3k and 4j-3k and `P_(2)` is parallel to j-k and 3i+3j, then the angle between `vec A` and 2i+j-2k is

A

`pi/4 or (3pi)/4`

B

`pi/2 of (3pi)/2`

C

`pi/6 or pi/3`

D

`pi/3 or (2pi)/3`

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The correct Answer is:
A
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