A
anhtruong10a9


minh co bai nay cung hay mong anh em tham khao...
cho a,b,c la cac so duong va a.b.c=1
[TEX] cmr: \frac{b+c}{\sqrt[]{a}}+\frac{c+a}{\sqrt[]{b}}+\frac{a+b}{\sqrt[]{c}}\geq\sqrt[]{a}+\sqrt[]{b}+\sqrt[]{c}+3[/TEX]





cho a,b,c la cac so duong va a.b.c=1
[TEX] cmr: \frac{b+c}{\sqrt[]{a}}+\frac{c+a}{\sqrt[]{b}}+\frac{a+b}{\sqrt[]{c}}\geq\sqrt[]{a}+\sqrt[]{b}+\sqrt[]{c}+3[/TEX]