$\int\left(\sqrt{3}+\sqrt{x}\right)^2dx$

$\int_0^2\left(\frac{2x+1}{\left(5x^2-2x+1\right)}\right)dx$

$\left(2x+3y\right)\frac{dy}{dx}=2\left(x-y\right)$

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

$\lim_{x\to-2}\left(x^2+3x\right)$

$\lim_{x\to\infty}\left(\frac{\ln\left(2x-1\right)}{x^3-x}\right)$

$13^{-3}\cdot13^5$