By Vasc
Posted: Sun Jun 01, 2008 7:57 pm
Sa se demonstreze ca oricare ar fi numerele reale \( a,b,c \) are loc inegalitatea: \( a(a+b)^3+b(b+c)^3+c(c+a)^3 \geq 0 \).
21933, G.M. 11-12/1989, Vasile Cirtoaje
21933, G.M. 11-12/1989, Vasile Cirtoaje