6 replies to this topic

[albert 81]

s\fract{a}/{a+b}s

[nhimtom]

$\frac{1}{(1+a)^2}+\frac{1}{(1+b)^2}\geqslant \frac{1}{1+ab}$

[Soran]

$\frac{\sqrt[3]{SinA}+\sqrt[3]{SinB}+\sqrt[3]{SinC}}{\sqrt[3]{Cos\frac{A}{2}}+Cos\frac{B}{2}}+Cos\frac{C}{2}}}$

[Frosty Flame]

$\Gamma$ 

Edited by Frosty Flame, 25-10-2018 - 21:33.

[Marshmello]

$\frac{a}{b} + \frac{b}{a} \geq 2$

Edited by Marshmello, 02-01-2019 - 21:10.

[Leslie]

$y = f(x) = (m+1)x^{2} - 2(m-1)x + 3m-3$

Edited by Leslie, 11-02-2019 - 21:57.

[trinhnguyen2612]

AB/BC $\frac{AB}{BC}+\frac{BC}{CA}=1$