$\frac{3}{5}<\frac{2}{3}+\frac{1}{4}$

$\int_1^{\infty}\left(\frac{x}{\left(\sqrt[3]{x+1}\right)}\right)dx$

$\frac{x^4}{9}-\frac{y^2}{16}$

$e^3^xsinx$

$\frac{\tan\theta}{2}=\frac{\sen\theta}{1+\cos\theta}$

$\frac{d}{dx}2x+y+y^3=-2x^2-3y^2$

$\lim_{x\to2}\left(\frac{\cos\left(x-\frac{\pi}{2}-2\right)}{ln\left(x-1\right)}\right)$