MathDB
China Second Round Olympiad 2016 Test 2 Q1

Source: Sep 11, 2016

September 11, 2016
inequalitiesalgebraChinaBPSQ

Problem Statement

Let a1,a2,,a2016a_1, a_2, \ldots, a_{2016} be real numbers such that 9ai11ai+129a_i\ge 11a^2_{i+1} (i=,2,,2015)(i=,2,\cdots,2015). Find the maximum value of (a1a22)(a2a32)(a2015a20162)(a2016a12).(a_1-a^2_2)(a_2-a^2_3)\cdots (a_{2015}-a^2_{2016})(a_{2016}-a^2_{1}).