MathDB
Assam Mathematics Olympiad 2023 Category III Q4

Source:

September 11, 2024

Problem Statement

Real numbers a,b,ca, b, c satisfy (2ba)2+(2bc)2=2(2b2ac)(2b - a)^2 + (2b - c)^2 = 2(2b^2 - ac). Prove that a+c=2ba + c = 2b.