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Inegalitate geometrica 1

Posted: Fri Dec 26, 2008 8:20 pm
by Marius Mainea
Demonstrati ca in orice triunghi ascutitunghic are loc inegalitatea:

\( \frac{a^2+b^2+c^2}{4\sqrt{3}S}+1\ge 2\frac{4R+r}{\sqrt{3}p}. \)