$\frac{d}{dx}\left(e^{xy}+xy=2\right)$

$\int_0^3x\left(2x^2-1\right)dx$

$\lim_{x\to3}\left(\frac{\sqrt{x}-\sqrt{3}}{2-\sqrt[3]{3x-1}}\right)$

$\frac{d}{dx}4xy^8=5x^2-7y$

$25x^2-51x+2$

$289-\frac{4}{81}y^{10}z^{20}$

$\frac{1}{1-\sin\left(x\right)}+\frac{1}{1+\sin\left(x\right)}=2\cos\left(x\right)^2$