$\int\frac{2x-1}{\left(x-1\right)\left(x+3\right)}dx$

$\lim_{x\to0}\left(\frac{1}{x+1}x^2\right)$

$8+\left(-3\right)+10-\left(-20\right)$

$\int\left(3x\sqrt{x-9}\right)dx$

$\left(\frac{4}{3m}\right)^2$

$\int sin^{-1}y\:dy$

$\left(1+x+x^2\right)dx+x\left(x^2-4\right)dy$