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The direction cosines of normal to the p...

The direction cosines of normal to the plane `barr.(2hati-3hatj+hatk)+9=0`

A

`2,-3,1`

B

`(2)/(9sqrt(14)),(-3)/(9sqrt(14)),(1)/(9sqrt(14))`

C

`(2)/(9),(-3)/(9),(1)/(9)`

D

`(2)/(sqrt(14)),(-3)/(sqrt(14)),(1)/(sqrt(14))`

Text Solution

Verified by Experts

The correct Answer is:
D
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