$\tan^4z-\sec^2z$
$a^{12}-b^{12}$
$-5\left(2\right)^23^2$
$y=\left(\frac{1}{2}\right)^{-1.5}$
$-134\left(-412\right)$
$\frac{d}{dx}\left(4+7x\right)^{\frac{4}{x}}$
$\frac{\left(2n+3\right)x^{2n+1}\left(-1\right)^n}{2n+1}$
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