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If x cos alpha +y sin alpha =p is the n...

If ` x cos alpha +y sin alpha =p` is the normal form of the equation of a strainght line `x+ sqrt(3) y +4=0` and a,b are respectively x,y - intercepts of this line, then `sqrt(3) pibp- 3a alpha=`

A

0

B

1

C

`pi/2`

D

`8 pi`

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The correct Answer is:
D
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