$\lim_{x\to\infty}\left(\cos\left(2\pi x+\pi\right)\right)$
$\frac{6x^2}{2x}$
$\left(m^0n^2\right)^{\frac{1}{5}}$
$\int\left(tanx\:11secx\right)dx$
$y^2+y-56$
$1-x<7$
$-5ab+7ab+5$
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