$2\cot\:\theta\:\cot\:2\theta\:=cot^{\left(2\right)}\theta\:-1$
$\left(2xy+3x^2\right)dx+x^2dy=0$
$e^{5x}+2e=0$
$\int\frac{x^2}{\sqrt{\left(x-2\right)^2-4}}dx$
$\sqrt[3]{8.27}$
$\left(24xy^2\right)-\left(13xy^2\right)$
$\frac{1}{2}\left(10x\:+\:20y\:+10z\right)$
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