$\frac{1}{\pi}\int_{-\pi}^{\pi\:}t\:\left(sen\left(nt\right)\right)dt$

$\lim_{h\to0}\left(\frac{\left(x+h\right)^2-2\left(x+h\right)+1-\left(x^2-2x+1\right)}{h}\right)$

$\frac{dy}{dx}+3xy^2=x$

$y=\sqrt[3]{x^2+2x+1}$

$-6\left(2m-3n^6\right)\left(2m+3n^6\right)$

$4\left(x+2\right)-3\left(x-5\right)<5$

$y=x\left(2x-3\right)\left(2x+3\right)$