The position vectors of the sides of tri...

The position vectors of the sides of triangle are `3hati+4hatj+5hatk, hati+7hatk` and `5hati+5hatk`. The distance between the circumcentre and the ortho centre is

A

0

B

`(3sqrt(274))/(sqrt(11))`

C

`sqrt(306)`

D

`(3)/(2)sqrt(306)`

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