$-\infty+\frac{1}{8}$
$n^2+11n$
$\frac{2x^2+2x+3}{2}$
$\frac{d}{dx}\left(8-3x+5x^2\right)^7$
$16m^2-64mn+34n^2$
$2\sin\left(x\right)+2\cos\left(x\right)=1$
$cot^2x=\sqrt{3}cotx$
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