1 Answers
Hari Shankar
·Jan 13 '10 at 8:43
I assume u r looking for a solution:
Using Cauchy Schwarz
∑1+bca=∑a+abca2≥∑a+3abc(a+b+c)2=1+3abc1
From AM-GM
I assume u r looking for a solution:
Using Cauchy Schwarz
∑1+bca=∑a+abca2≥∑a+3abc(a+b+c)2=1+3abc1
From AM-GM