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Inegalitate in 3 variabile
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Inegalitate in 3 variabile
Posted:
Tue Jul 07, 2009 3:29 pm
by
Mateescu Constantin
Daca
\( a,\ b,\ c\ge 0 \)
, demonstrati ca
\( 2(a^5+b^5)+c^5\ge \frac{5}{4}abc(a+b)^2 \)
.
Posted:
Tue Jul 07, 2009 4:14 pm
by
Marius Mainea
Se foloseste AM-GM.