18. If p is the length of perpendicular from the origin to the line whose intercepts on the axes are a and b, then show that 1/p^2 = 1/a^2 + 1/b^2 18. If p is the length of perpendicular from the origin to the line whose intercepts on the axes are a and b then show that 1/p^2 = 1/a^2 + 1/b^2 October 30, 2021 Category: Chapter 10 - Straight Lines , Maths , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related