Let OB=hati+2hatj+2hatkandOA=4hati+2hatj...

Let `OB=hati+2hatj+2hatkandOA=4hati+2hatj+2hatk`. The distance of the point B from the straight line passing through A and parallel to the vector `2hati+3hatj+6hatk` is
a)`(7sqrt(5))/(9)` b)`(5sqrt(7))/(9)` c)`(3sqrt(5))/(7)` d)`(9sqrt(5))/(7)`

A

`(7sqrt(5))/(9)`

B

`(5sqrt(7))/(9)`

C

`(3sqrt(5))/(7)`

D

`(9sqrt(5))/(7)`

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The correct Answer is:

C

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