$\left(2x^2y.4m\right)^3$

$\lim_{x\to\infty}\left(\frac{13\:ln\left(x-13\right)}{x-e}\right)$

$\frac{dy}{dx}=5x\left(y-2\right)^2$

$f\left(x\right)=\ln\left(\sqrt{\frac{3x-1}{2x+5}}\right)$

$16^2x-12x$

$10\:\left(y-2z\right)^9$

$-16\left(-18\right)+\left(-7\right)+\left(-20\right)$