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If P (3,2,6) is a point in space and Q b...

If `P (3,2,6)` is a point in space and Q be a point on the line `vecr = (hati - hatj + 2 hatk) + mu (- 3 hati + hatj + 5 hatk).` Then the value of `mu` for which the vector PQ is parallel to the plane `x - 4y + 3z =1,` is :

A

`(1)/(4)`

B

`-(1)/(4)`

C

`(1)/(8)`

D

`-(1)/(8)`

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The correct Answer is:
A
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