$\frac{d}{dy}\left(ysec\left(x\right)=3xtan\left(y\right)\right)$

$3n\left(n+2\right)$

$\int\:\frac{8}{x-5}dx$

$\left|-65\right|-\left|-76\right|+\left(-54\right)-\left(-7\right)$

$7\cdot0^6+5$

$\lim\:_{x\to\:+\infty\:}\left(5-\frac{2}{x^2}\right)$

$\int6\sqrt[3]{x}dx$