a,b,c >0 and a+b+c=1 ; P=(1/a)+(2/b)+(3/c);
Now I'll have to try to dust off what little I remember of partial differentials and try to find the real critical point.
blackjack
<a href="http://c.casalemedia.com/c?s=51816&f=3&id=0" target="_blank"><img src="http://as.casalemedia.com/s?s=51816&u=http://perplexus.info&f=3&id=0&if=0" width="120" height="600" border="0"></a>
flooble's webmaster puzzle
Whatever happened to that textbook...?
