$\lim_{x\to\infty}\left(n^22^{-n}\right)$

$\lim\:_{x\to\:0}\left(\frac{e^{8t}-1}{\:sin\left(x\right)}\right)$

$2\left(-2\right)+-4\left(6\right)$

$\int y\cosh\left(ay\right)\:dy$

$\frac{x^3-x}{x^3-2x^2+x}$

$\left(h-m\right)^2$

$\int\left(-10\right)x^2e^{2x^3+\left(-16\right)}dx$