$\sqrt{b^2}$
$x^2-14x-1=0$
$\lim_{x\to0}\left(\frac{e^x-\left(-1-x\right)}{x}\right)$
$\frac{3x^{3}+10x^{2}+7x}{x+1}$
$\left(x+5\right)^2<\left(x+4\right)^2+\left(x-3\right)^2$
$123.02-82.0$
$\frac{dy}{dx}=\frac{y^2}{100}-4$
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