11/09/09 14:58:55.66
For a>1,b>1,c>1,Prove that for positive integer n
(a-1)(b-1)(c-1)n^3+[(a-1)(b-1)+(b-1)(c-1)+(c-1)(a-1)]n^2
+(a+b+c-3)n+1≦(abc)^n.
11/09/09 14:58:55.66
For a>1,b>1,c>1,Prove that for positive integer n
(a-1)(b-1)(c-1)n^3+[(a-1)(b-1)+(b-1)(c-1)+(c-1)(a-1)]n^2
+(a+b+c-3)n+1≦(abc)^n.