$\frac{d}{dx}\frac{a}{2}\left(e^{\frac{x}{a}}-e^{-\frac{x}{a}}\right)$
$\sqrt{3x-1}=\sqrt{25x+43}$
$-2a^3b^2-15a^3b^2$
$\left(a^m\right)+\left(a^n\right)^2$
$3\left(d+12\right)=8-4d$
$y'-\frac{6x}{5y^2}=0$
$\left(g^4\right)^3$
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