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truongminhthuong


1.Cho a,b,c >0 .Chứng minh rằng:
a) $\dfrac{a^5}{b^3}$+$\dfrac{b^5}{c^3}$+$\dfrac{c^5}{a^3}$ \geq $a^2$ + $b^2$ + $c^2$
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a) $\dfrac{a^5}{b^3}$+$\dfrac{b^5}{c^3}$+$\dfrac{c^5}{a^3}$ \geq $a^2$ + $b^2$ + $c^2$
Chú ý gõ latex
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