Class 9 / IIT Foundation Plus Maths / Foot, Image, Distance And Angle / Theorem II

Foot, Image ,Distance and Angle

Foot, Image ,Distance and Angle Theorem II. If (h, k) is the image( (reflection) of the point \((x_1,y_1)\) w.r.t the line ax+by+c=0 , then  \(\frac{{h - {x_1}}}{a} = \frac{{k - {y_1}}}{b}