$\lim_{x\to\infty}\left(\cos\left(n\pi\right)\right)$
$3y^3+y^2$
$\int-e^{-x}sin\left(x\right)dx$
$\left|42\left(3+15\right)\right|\cdot7$
$\int_{-3}^0\left(\frac{\left(x^3+x^2+1\right)}{x-1}\right)dx$
$4\sqrt[4]{4b^4}$
$\int e^{x^2-2x+1}dx$
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