$\lim_{x\to\infty}\left(\csc\left(4x\right)\sin\left(5x\right)\right)$

$\lim_{x\to2\pi}\left(\frac{1-cos\left(x-2\pi\right)}{b\left(x-2\pi\right)^2}\right)$

$\left(x-13\right)\left(x-7\right)\left(x-5\right)$

$0.08571\:+0.11428+0.08571\:+0.08571\:+0.08571\:+0.08571\:+0.02857+0.14285+0.02857+0.08571\:+0.08571\:+0.08571\:+0.05714$

$a^{x}b^{m}\text{entre}-4a^{m}b^{m}$

$\frac{d}{dx}\left(\sqrt{25+x+\ln\left(x+1\right)}\right)$