$y=\cos\left(3x\right)-\frac{1}{x}$

$\int_5^{\infty}\left(\frac{1}{t^2-46}\right)dx$

$\left(2m^4+2n^3\right)$

$\frac{dy}{dx}=6x^{2}y$

$\frac{2}{2^{\frac{1}{2}}a^1\:\pi\:^{\frac{1}{2}}}\cdot\:\frac{2\pi\:^{\frac{1}{2}}}{2^3\left(\frac{1}{2a^2}\right)^{\frac{3}{2}}}$

$a^{\frac{1}{n}}=\sqrt[m]{a}$

$-a^2+3a+28$