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

$\int_1^{\infty}\left(\frac{e^x}{1+e^{2x}}\right)dx$

$x2\:+\:xy\:+\:4xy$

$\frac{d^2}{dx^2}\left(x\cdot\cos\left(x\right)\right)\frac{6x^2}{2x^3+y}$

$\frac{dy}{dx}5y^2-2x^2=10$

$b^2+11b-18$

$\lim_{x\to\pi2}\left(\cos\left(x\right)+\sin\left(x\right)\right)\tan^x$