Prove that the length of perpendicular from a point `(x_1,y_1)` to a line `ax+by+c=0` is
Channel: Doubtnut
Date: 2020-01-19

Prove that the length of perpendicular from a point `(x_1,y_1)` to a line `ax+by+c=0` is `|(ax_1+by_1+c)/(sqrt(a^2+b^2))|`.