$4^2+4^{-2}$

$\lim_{x\to5}\sqrt{x^2-9}$

$2\left(\frac{dy}{dx}\right)+10y=1$

$\left(-1\right)^5\:-\:\left(-2\right)^4$

$\left|\left(-4\right)\cdot\left(8\right)-\left(-7\right)\right|$

$\frac{sin\left(x\right)\left(1-cosx\right)}{2x^4}$

$\sqrt{4m^{10}}$