$\int36x^8e^{-x^9}dx$

$\lim_{x\to\infty}\left(\frac{6x^2-10x+5}{10x+6}\right)$

$\sqrt{8x^2y}$

$\left(2y-10\right)\left(2y^2+20y+100\right)$

$\frac{1}{8}\arcsin\left(\frac{x}{2\sqrt{2}}\right)+cx+c$

$x^2dx+y^2dy$

$\lim_{x\to3}\left(\frac{\left(e^{x^3}-e^{27}\right)}{x-3}\right)$