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Let A be vector parallel to line of inte...

Let A be vector parallel to line of intersection of planes `P_1 and P_2`. Plane `P_1` is parallel to the vectors `2hat(j)+3hat(k) and 4hat(j)-3hat(k)` and that `P_2` is parallel to `hat(j)-hat(k) and 3hat(i)+3hat(j)`, then the angle between vector A and a given vector `2hat(i)+hat(j)-2hat(k)` is

A

`pi/2`

B

`pi/4`

C

`pi/6`

D

`(3pi)/4`

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The correct Answer is:
B, D
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