$\lim\:_{y\to+\infty\:}\left(\frac{2y^2-3y}{y+1}\right)$

$\lim_{x\to\infty}\left(\left(1+tan\left(x\right)\right)^{x^2}\right)$

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

$\frac{d^2}{dx^2}\left(2020x^2-in\left(20-5x\right)+5e^x\right)$

$q^4.q^{-6}.q^4$

$\frac{dy}{dx}=3x^3+x^2-x+7$

$36x^4+64x^2-96x^3$