$\lim_{x\to0}\left(\frac{sen\:2x}{x}\right)^{tg\:3x}$
$\left(2x-1\right)^2\left(\frac{3}{2}x+2\right)$
$8z+7z$
$\frac{dy}{dx}+ycotx=cos^3x$
$\frac{x^3-2x^2-4x+8}{x^2-4}$
$3x-\left(x-10\right)$
$tangente$
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