MathDB

4

Part of 2000 Korea Junior Math Olympiad

Problems(1)

KJMO 2000 inequality

Source: 2000 KJMO P5

6/29/2024
Show that for real variables 1≤a,b≤21 \leq a, b \leq 2 the following inequality holds.
2(a+b)2≤9ab2(a+b)^2 \leq 9ab
inequalitiesKJMOalgebra