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IF planes bar r . ( p hati - hatj +...

IF planes ` bar r . ( p hati - hatj + 2 hatk )+3=0 and bar r .( 2 hati - p hatj - hatk )-5=0` include angle `(pi)/(3) ` then the value of p is

A

`1,-3`

B

`-1,3`

C

`-3`

D

3

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The correct Answer is:
D
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