NCERT Exercise 7.1 - Q1(iii) - Coordinate Geometry
Question: Find the distance between the pair of points (a, b) and (-a, -b). A(a, b) B(-a, -b) X Y
Answer: The distance is 2*sqrt(a^2 + b^2) units.
Full step-by-step NCERT solution with diagrams on Something by Zero.