$\frac{6^{-26}}{6}$

$\pi\left(n+\frac{1}{2}\right)+\frac{\phi}{2}+l$

$\int x\left(x^2+\frac{xy}{3}\right)dy$

$\frac{dy}{dx}=2y\left(1-y\right)-\left(\frac{3}{8}\right)$

$\int\frac{1}{\sin\left(3x\right)}dx$

$15a\:+\:13a\:-\:12b\:-\:11a\:-\:4b\:-\:b$

$\left(6n^5+4\right)\left(6n^5-4\right)$