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If 4 hati + 7 hat j + 8 hatk, 2 hati ...

If ` 4 hati + 7 hat j + 8 hatk, 2 hati +3 hatj + 4 hatk and 2 hati + 5 hatj + 7 hatk ` are the position vectors of the vertices A, B and C respectively of triangle ABC . The position vector of the point where the bisector of angle A meets BC, is

A

`(1)/(3) (6i+13j+18k)`

B

`(2)/(3)(6i+12j-8k)`

C

`(1)/(3) (-6i-8j-9k)`

D

`(2)/(3) (-6i-12j+8k)`

Text Solution

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The correct Answer is:
A
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