$\lim_{n\to\infty}\:\left(\frac{2}{\sqrt{n}\left(\sqrt{n+1}-\sqrt{n}\right)}\right)$
$2+\tan^2x+\sec^2x=2$
$\int\left(\frac{\sin\left(x\right)}{e^{2x}}\right)dx$
$3\sqrt{-\frac{1000}{343}}$
$\frac{x+5}{-3}=3x-5$
$\left(5\cdot4\right)^3$
$\frac{125p^6g^7m^{-6}}{250p^{12}g^9m^o}$
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