$\int_0^1\left(\frac{18}{x^2-9}\right)dx$

$\int_{-\infty}^0\frac{1}{\left(x-1\right)^{\frac{2}{3}}}dx$

$\frac{dy}{dx}=-5y=e^{-2t}$

$\frac{x^{4}-x^{3}+4x+2}{x^{2}+3}$

$\frac{5}{x-10x}$

$\lim_{n\to\infty}\left(\frac{e^{2n}}{ln\left(n+3\right)}\right)$

$\frac{dy}{dx}=\frac{y+1}{x\left(y-1\right)}$