The vertices of a triangle are (A(-1,-7)...

The vertices of a triangle are `(A(-1,-7),B(5,1),` and `C(1,4)dot` The equation of the bisector of `/_A B C` is____

A

`3x-7y-8=0`

B

`x-7y+2=0`

C

`3x-3y-7=0`

D

None of these

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The correct Answer is:

B

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