$\lim_{x\to\frac{\pi}{2}}\left(\frac{e^x}{6x}\right)$
$5\left(-65\right)$
$\frac{m^9+n^9}{m-n}$
$-40+15+10-80$
$3\sin^2\left(x\right)-2=1$
$\int\frac{32x}{\left(2x-1\right)\left(4x^2-16x+15\right)}\:dx$
$\frac{3x^2-24x}{x^2-64}$
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