MathDB

4

Part of 2011 Kyrgyzstan National Olympiad

Problems(1)

Algebraic ineq(KgNM2011)

Source:

4/20/2011
Given equation a5āˆ’a3+a=2{a^5} - {a^3} + a = 2, with real aa . Prove that 3<a6<43 < {a^6} < 4.
inequalitiesalgebraZhan