Let be three points. The equation of the bisector of the angle is
As learnt in
Slope of a line -
- wherein
Slope of line joining A(x1,y1) and B(x2,y2) .
Slope of line is
Equation is
Option 1)
This option is incorrect.
Option 2)
This option is incorrect.
Option 3)
This option is correct.
Option 4)
This option is incorrect.
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