$\left(2x-2\right)^4$

$\lim_{x\to\infty}\:2^n+1$

$\left(\frac{2}{3}x^{3}+\frac{1}{2}y^{5}\right)^{2}$

$\lim_{x\to\infty}ln\left(\frac{\sqrt{x^2+9}-3}{x}\right)$

$y - \frac { x ^ { 2 } + 1 } { 3 x + 2 }$

$\frac{dy}{dx}=xe^{6x-4y}$

$\left(x+1\right)\left(x-1\right)+\left(3+x\left(3-x\right)\right)$