Cho $a+b+c=\frac{3}{2}$. CMR
$\frac{a^{2}}{a+2b^{2}}+\frac{b^{2}}{b+2c^{2}}+\frac{c^{2}}{c+2a^{2}}$$\geq \frac{3}{4}$
Edited by Lao Hac, 10-04-2018 - 08:11.
$\frac{a^{2}}{a+2b^{2}}+\frac{b^{2}}{b+2c^{2}}+\frac{c^{2}}{c+2a^{2}}$
Started By Lao Hac, 06-04-2018 - 20:40
#2
Posted 06-04-2018 - 20:45
conankun
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em ơi, có tại đây: https://diendantoanh...b2c2fracc2c2a2/
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$\large \mathbb{Conankun}$
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