Cho $\frac{1}{\sqrt{2}}\leq c\leq Min(a\sqrt{2},b\sqrt{3}); a+c\sqrt{3}\geq \sqrt{6}; b\sqrt{3}+c\sqrt{10}\geq 2\sqrt{5}$
CMR:
$\frac{1}{a^{2}}+\frac{2}{b^{2}}+\frac{3}{c^{2}}\leq \frac{118}{15}$
Cho $\frac{1}{\sqrt{2}}\leq c\leq Min(a\sqrt{2},b\sqrt{3}); a+c\sqrt{3}\geq \sqrt{6}; b\sqrt{3}+c\sqrt{10}\geq 2\sqrt{5}$
CMR:
$\frac{1}{a^{2}}+\frac{2}{b^{2}}+\frac{3}{c^{2}}\leq \frac{118}{15}$
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