Difference between revisions of "1997 USAMO Problems/Problem 5"

(added solution tag, USAMO box, and category)
m
Line 10: Line 10:
 
{{USAMO box|year=1997|num-b=4|after=Last Problem}}
 
{{USAMO box|year=1997|num-b=4|after=Last Problem}}
  
[[Category:Olympiad Inequailty Problems]]
+
[[Category:Olympiad Algebra Problems]]

Revision as of 16:09, 12 April 2012

Problem

Prove that, for all positive real numbers $a, b, c,$

$(a^3+b^3+abc)^{-1}+(b^3+c^3+abc)^{-1}+(a^3+c^3+abc)^{-1}\le(abc)^{-1}$.

Solution

This problem needs a solution. If you have a solution for it, please help us out by adding it.

See Also

1997 USAMO (ProblemsResources)
Preceded by
Problem 4
Followed by
Last Problem
1 2 3 4 5
All USAMO Problems and Solutions