$\frac{6x^3y^5}{3xy^2}$

$\int\left(6x+5\right)^2dx$

$\int_{\frac{\pi}{-4}}^{\frac{\pi}{6}}\left(-\sec\left(x\right)\tan\left(x\right)\right)dx$

$\lim_{x\to\infty}\left(ln\left(5x\right)-ln\left(x+4\right)\right)$

$\int_0^54e^{-3x}dx$

$\frac{2a+b}{\sqrt{a}-\sqrt{b+2}\sqrt{c}}$

$\int x\:\cdot\:5^{x^2}dx$