Mathematics · essential
Condition for perpendicular lines using coefficients for JEE
Straight line: Various forms of equations of a line, intersection of lines, angles between two lines
Formula
\(a_1a_2+b_1b_2=0\)
Variables: Lines are \(a_1x+b_1y+c_1=0\) and \(a_2x+b_2y+c_2=0\).
Perpendicularity test in general form.