$p^{5}q^{4}+\frac{10}{3}p^{4}q^{5}+\frac{25}{6}p^{3}q$

$\lim_{x\to\infty}\left(\frac{1}{\left(x+1\right)\left(x+2\right)}\right)$

$\int\left(\frac{-7}{x\left(\ln\left(x\right)\right)^2}\right)dx$

$d^2-41=8$

$a^{12}-121b^8$

$\frac{d}{dx}6x^{-9\sqrt[3]{x}}$

$80a^5b^4c^16-16a^4b^2c^8$