Re: Hard problem
- From: "David M Einstein" <Deinst@xxxxxxxxx>
- Date: 1 Dec 2005 10:15:17 -0800
Peper wrote:
> three _positive_ real numbers a,b,c with
> ab + bc + ca = 3
>
> prove that:
> a^3 + b^3 + c^3 + 6abc >= 9
>
> Any hints how to do that?
Rummage through the past couple of weeks of sci.math postings.
You might try to state the complete problem as well.
Where did this come from? It seems to be drifing north slowly.
>
> --
> Best Regards,
> Peper
.
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