Vrijeme: 02:06

Nejednakosti - Lanac 3 - Zadatak 1

Zadatak 1: Neka su a,b,c > 0 realni brojevi. Dokažite da vrijedi nejednakost: \begin{equation*}
    \left(\frac{2a}{b+c}\right)^\frac{2}{3} + \left(\frac{2b}{c+a}\right)^\frac{2}{3} + \left(\frac{2c}{a+b}\right)^\frac{2}{3} \geq 3\text.
\end{equation*}