$\left(x+2\right)^2\left(x+3\right)$
$\int\left(3x^2\right)\left(sen3x^3\right)dx$
$\lim_{x\to-2}\left(\sqrt{x^2-1}\right)$
$0.792-0.083$
$8cos^2x=16cosx$
$\left(sin^2a\right)\left(\sin^2\left(a\right)\right)$
$\int\frac{4x^3-2x^2+x+1}{x^3-3x-2}dx$
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