$\int e^{-ax}\cdot\sin\left(x\right)dx$

$\frac{d^2}{dx^2}\ln\:\left(\frac{\left(2x+5\right)\left(5x-2\right)}{\left(x+1\right)}\right)$

$\left(\frac{\sqrt{4x-3y}}{8}+\frac{2xy}{3}\right)\left(\frac{\sqrt{4x-3y}}{8}-\frac{2xy}{3}\right)$

$xdx\:+y^{-1}dy$

$9x^2<x^2+14$

$\frac{x^4+2x^3-10}{x-3}$

$n^{-2}\cdot n^{-3}$