JEE Advance - Mathematics (1993 - No. 13)
The vertices of a triangle are $$A\left( { - 1, - 7} \right)B\left( {5,\,1} \right)$$ and $$C\left( {1,\,4} \right).$$ The equation of the bisector of the angle $$\angle ABC$$ is ............... .
x - 7y + 2 = 0
x + 7y - 2 = 0
7x - y + 2 = 0
7x + y - 2 = 0
y = 7x + 2