MathDB

92

Part of 1989 IMO Longlists

Problems(1)

IMO Longlist 1989 Inequality

Source: IMO Longlist 1989, Problem 92

9/18/2008
Prove that a<b a < b implies that a^3 \minus{} 3a \leq b^3 \minus{} 3b \plus{} 4. When does equality occur?
inequalitiesinequalities unsolved