$\displaystyle x^2\sqrt{x}$

$\displaystyle \ln{\pi^4} $

$\displaystyle \ln{-\frac{\sqrt{x}}{x^4}} $

$\displaystyle \int{\displaystyle{e^{\frac{\pi}{4}}}} dx $

$\displaystyle \int^4_{2}{e^{\frac{\pi}{4}}} dx $

$\displaystyle \displaystyle{\frac{1}{2}} \\ \frac{1}{2} $