$\int4e^{2x^2}dx$

$\frac{d}{dx}\ln\left(\sqrt{\frac{a^2-z^2}{a^2+z^2}}\right)$

$\int\left(\frac{x^2}{\sqrt{484-x^2}}\right)dx$

$x^2-9x+42$

$\left(\frac{3}{4}a+b^2\right)^3$

$\lim_{x\to5}\left(\frac{3}{\left(x-5\right)^{\frac{1}{3}}}\right)$

$\lim_{x\to0}\left(\frac{7\:cos\left(-0.001\right)-7\:}{-0.001}\right)$