NCERT Exercise 9.3 Q17 - Straight Lines

Question: If a line cuts the coordinate axes at A and B and the perpendicular from the origin to AB is p, prove that 1/p^2 = 1/a^2 + 1/b^2.

Answer: 1/p^2 = 1/a^2 + 1/b^2.

Full step-by-step NCERT solution with diagrams on Something by Zero.

All Chapter 9 solutions