$\int\frac{1}{x^2\sqrt{324-x^2}}dx$
$72\cdot5$
$x^2-14x+49=25$
$\frac{dy}{dx}=18x^2-8x$
$\lim_{x\to\infty}\left(\frac{\ln\left(x-1\right)-x}{\tan\left(\frac{\pi}{2x}\right)}\right)$
$7\frac{1}{2}-1\frac{2}{5}+\frac{9}{10}$
$\int p^4e^{-p}\:\:\:dp$
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