$\int_{\frac{1}{42}}^{\frac{1}{14}}\left(\csc\left(7\pi x\right)\cot\left(7\pi x\right)\right)dx$
$12\cdot32$
$\frac{3x^3+3x^2-4}{x+1}$
$\frac{360\left(2\right)}{60}$
$\left(y^2-5x\right)^5$
$2x^2-7^2$
$\sec^2\left(2u\right)-1$
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