Show that \[\log_{a}bc+\log_bca+\log_cab \ge 4(\log_{ab}c+\log_{bc}a+\log_{ca}b)\] for all $a,b,c$ greater than 1.
Problem
Source: Malaysia National Olympiad 2010 Sulung Category Problem 8
Tags: logarithms, inequalities, inequalities unsolved
Source: Malaysia National Olympiad 2010 Sulung Category Problem 8
Tags: logarithms, inequalities, inequalities unsolved
Show that \[\log_{a}bc+\log_bca+\log_cab \ge 4(\log_{ab}c+\log_{bc}a+\log_{ca}b)\] for all $a,b,c$ greater than 1.