Fie \( a,\ b,\ c>0 \) a. i. \( abc=1 \). Demonstrati ca \( \sum\frac{a}{b^{2}\left(c+1\right)}\ge\frac{3}{2} \).
Cezar Lupu, lista scurta, 2005
Inegalitate SHL 2005-2
Moderators: Laurian Filip, Beniamin Bogosel, Filip Chindea
-
Claudiu Mindrila
- Fermat
- Posts: 520
- Joined: Mon Oct 01, 2007 2:25 pm
- Location: Targoviste
- Contact:
Inegalitate SHL 2005-2
elev, clasa a X-a, C. N. "C-tin Carabella", Targoviste