giuuuuuuuu
$\frac{a^2}{b+c}+\frac{b^2}{c+a}+\frac{c^2}{a+b}
$\geq \frac{(a+b+c)^2}{2\sqrt{3(ab+bc+ca)}}$
Bất đẳng thức
giuuuuuuuu
$\frac{a^2}{b+c}+\frac{b^2}{c+a}+\frac{c^2}{a+b}\geq \frac{(a+b+c)^2}{2\sqrt{3(ab+bc+ca)}}$
Bất đẳng thức
giuuuuuuuu
$\frac{a^2}{b+c}+\frac{b^2}{c+a}+\frac{c^2}{a+b}
$\geq \frac{(a+b+c)^2}{2\sqrt{3(ab+bc+ca)}}$
Bất đẳng thức