$arc\cdot\csc2x^5$
$\frac{\left(a+1\right)^2}{\left(a+1\right)\left(a-1\right)}$
$x^3+5x^2+2x-8$
$\lim_{x\to\infty}\left(\frac{19}{20}\right)^{x\:}$
$\left(16a^2b^2\right)^3$
$2x^2+4x+10\ge\:0$
$b+d+b+d+b$
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