$-6n+n+3n$

$0^2\:+\:2^2$

$1+\left(-19\right)-\left(-13\right)$

$xy^2=4$

$\frac{\cot\left(y\right)+\tan\left(y\right)}{\csc\left(y\right)}=\sec\left(y\right)$

$\int2x^{-1}ln\left(x^{\frac{3}{2}}\right)dx$

$\lim_{x\to\infty}\left(\frac{ln\:x}{x^{\left(n\right)}}\right)$