Chứng minh rằng căn(a^3/5a^2+(b+c)^2) + căn(b^3/5b^2+(c+a)^2) + căn(c^3/5c^2+(a+b)^2)≤căn(a+b+c/3)

Cho \(a,b,c>0\). CMR:

\(\sqrt{\dfrac{a^3}{5a^2+\left(b+c\right)^2}}+\sqrt{\dfrac{b^3}{5b^2+\left(c+a\right)^2}}+\sqrt{\dfrac{c^3}{5c^2+\left(a+b\right)^2}}\le\sqrt{\dfrac{a+b+c}{3}}\)

Ace Legona

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