and are the vertices of a triangle and the equation of the internal angle bisector of is 


Equation of side is 


a) 
b) 
c) 
d) 
and are the vertices of a triangle and the equation of the internal angle bisector of is 


Equation of side is 


a) 
b) 
c) 
d) 
(b)
Image of in line is
So line passes through and . The equation of line is