# who can help me with this inequality?

• Sep 2nd 2008, 08:17 AM
ely_en
who can help me with this inequality?
a, b, c-real positive numbers, abc=1. Prove that $\frac {a + b}{2(a^7 + b^7 + c)} +\frac {b + c}{2(b^7 + c^7 + a)}+ \frac {c + a}{2(c^7 + a^7 + b)}<=1$