$\frac{dy}{dx}=\frac{\sqrt{y}\left(4x+2\right)}{x^2}$

$\left(abc\right)\cdot\left(a^2b^2c^2\right)$

$\lim_{t\to0}\left(\frac{\frac{t^2y-ty^2}{t^2+y^2}}{t}\right)$

$2\left(u+1\right)+7=3\left(u-2\right)+2u$

$\frac{9yx^2}{3xy}$

$\sqrt{9+9\:sin^2\left(x\right)}$

$\int_5^{\infty}\left(\frac{1}{\sqrt[4]{3x+1}}\right)dx$