2006 IMO Problems/Problem 3
Problem
Determine the least real number 
such that the inequality ![\[\left| ab\left(a^{2}-b^{2}\right)+bc\left(b^{2}-c^{2}\right)+ca\left(c^{2}-a^{2}\right)\right|\leq M\left(a^{2}+b^{2}+c^{2}\right)^{2}\]](http://latex.artofproblemsolving.com/8/d/d/8dde3f3a2bba98bb6c84ef65230d69a2ded149cc.png)
holds for all real numbers 
and 
Solution
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See Also
| 2006 IMO (Problems) • Resources | ||
| Preceded by Problem 2 |
1 • 2 • 3 • 4 • 5 • 6 | Followed by Problem 4 |
| All IMO Problems and Solutions | ||
