MathDB
Geometric inequality

Source: Nordic 2019, P2

April 7, 2019
inequalitiesgeometric inequality

Problem Statement

Let a,b,ca, b, c be the side lengths of a right angled triangle with c > a, b. Show that 3<c3a3b3c(ca)(cb)2+2.3<\frac{c^3-a^3-b^3}{c(c-a)(c-b)}\leq \sqrt{2}+2.