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Let A (4, 7, 8), B (2, 3, 4) and C (2, 5...

Let A (4, 7, 8), B (2, 3, 4) and C (2, 5, 7) be the position vectors of the vertices of a triangle ABC. The length of the internal bisector of the angle at A is

A

`(3)/(2) sqrt(34)`

B

`(2)/(3) sqrt(34)`

C

`(1)/(2) sqrt(34)`

D

`(1)/(3) sqrt(34)`

Text Solution

Verified by Experts

The correct Answer is:
B
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