Mathematics · important
Angle bisectors of two lines for JEE
Straight line: Various forms of equations of a line, intersection of lines, angles between two lines
Formula
\(\dfrac{a_1x+b_1y+c_1}{\sqrt{a_1^2+b_1^2}}=\pm\dfrac{a_2x+b_2y+c_2}{\sqrt{a_2^2+b_2^2}}\)
Variables: Two lines are \(a_1x+b_1y+c_1=0\) and \(a_2x+b_2y+c_2=0\).
Conditions: Applicable for intersecting lines.
Angle bisector, incenter/excenter type setups.