The angular points of a triangle are A (...

The angular points of a triangle are `A (-1, -7), B (5,1) and C (1,4).` The equation of the bisector of the `angle ABC` is

A

1) `2x+2y+sqrt2=0`

B

2) `2x-2y-sqrt2 =0`

C

3) ` 2x-2y +sqrt2 =0`

D

4) None of these

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The correct Answer is:

A

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