B
botvit


Cho a,b,c >0 a+b+c \leq 1
Tìm min [tex] \sqrt[]{a^2 +\frac{1}{b+c}}+\sqrt[]{b^2+\frac{1}{a+c}}+\sqrt[]{c^2+ \frac{1}{a+b}}[/tex]
Tìm min [tex] \sqrt[]{a^2 +\frac{1}{b+c}}+\sqrt[]{b^2+\frac{1}{a+c}}+\sqrt[]{c^2+ \frac{1}{a+b}}[/tex]
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