$\sqrt[3]{\frac{x^{5}y^{2}}{\sqrt[3]{x^{2}y}}}$

$\left(3n+n^2+2\right)\cdot\left(2n+1\right)$

$\left(\frac{dy}{dx}-1\right)x=y$

$\frac{x^{\frac{1}{3}}\left(3x^{-1}+4x\right)}{x^5}$

$\frac{1}{\cos\left(x\right)}-\frac{\cos\left(x\right)}{1+\sin\left(x\right)}=\tan\left(x\right)\pi$

$\int\left(\frac{sin6x}{cos6x}\right)dx$

$\frac{1}{y^2}dy=\frac{1}{x}dx$