Mathematics · important
Distance between parallel lines for JEE
Conditions for concurrence of three lines, the distance of a point from a line
Formula
\(d=\dfrac{|c_2-c_1|}{\sqrt{a^2+b^2}}\)
Variables: Parallel lines are \(ax+by+c_1=0\) and \(ax+by+c_2=0\).
Separation of parallels, strip region, tangent pair questions.