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The position vectors of the points A and...

The position vectors of the points A and B with respect to O are `2i+2j+k and 2i+4j+4k`. The length of the internal bisector of `angleBOA` of `DeltaAOB` is a)`sqrt(136)/(9)` b)`sqrt(136)/(3)` c)`(20)/(3)` d)`sqrt(217)/(9)`

A

`sqrt(136)/(9)`

B

`sqrt(136)/(3)`

C

`(20)/(3)`

D

`sqrt(217)/(9)`

Text Solution

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The correct Answer is:
B
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