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Cho x,y,z dương

bất đẳng thức

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#1
kevotinh2802

kevotinh2802

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$Cho xy+yz+zx=xyz....Tìm GTNN \frac{x}{y^2}+\frac{y}{z^2}+\frac{z}{x^2}+6\left ( \frac{1}{xy}+\frac{1}{yz}+\frac{1}{zx} \right )$



#2
dark templar

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$Cho xy+yz+zx=xyz....Tìm GTNN \frac{x}{y^2}+\frac{y}{z^2}+\frac{z}{x^2}+6\left ( \frac{1}{xy}+\frac{1}{yz}+\frac{1}{zx} \right )$

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