$\left(x+\:2y\right)\:dx+xdy\:=\:0$

$2x+32^2$

$\left(5\sin\left(x\right)-5\cos\left(x\right)\right)$

$\frac{dy}{dx}\left(sin\left(xy\right)\right)$

$\lim_{x\to-4}\left(-x\right)$

$\left(\frac{1}{2}\right)^{1-2}$

$2+tan^2\left(m\right)+cot^2\left(m\right)=sec^2\left(m\right)\cdot csc^2\left(m\right)$