$\int\frac{2x^2-5x-2}{\left(x-2\right)^2\cdot\left(x-1\right)}dx$

$\lim_{x\to\pi}\left(\frac{\sen\left(\pi-t\right)}{\pi-t}\right)$

$\frac{dy}{dx}ln\:y\:+x^2y\:=0$

$x+24<3x$

$\int\left(\frac{sen^3\left(a-4x\right)}{cos^2\left(a-4x\right)}\right)dx$

$\left(yz^2+8\right)^3$

$36x^2+60x+10$