YoYo's Blog: An easy one

Sunday, March 4, 2012

An easy one

forall a,b,c>0
we have

$\dpi{120} \sqrt{\frac{a}{a+b}}+\sqrt{\frac{b}{b+c}}+\sqrt{\frac{c}{c+a}}\le\frac{3}{\sqrt{2}}$

see here:http://www.artofproblemsolving.com/Forum/viewtopic.php?f=51&t=466791&p=2619149#p2619149

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