$6\:+\:-8\:+\:-9\:+\:4\:+\:-5$

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

$\lim_{x\to0}\left(e^{\frac{8}{x}}-2x\right)^{\frac{x}{2}}$

$\left(13n+1\right)3n=0$

$\left(\frac{2}{3}y^3-\frac{3}{4}x\right)^3$

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