$\frac{dy}{dx}=\frac{\left(cos^2y\right)}{x}$
$\int\frac{x-1}{x^3+4x^2+4x}dx$
$\frac{a}{2}+\frac{a}{3}+\frac{a}{4}$
$\frac{2^{16}}{4^6}$
$\frac{sin4t}{2}=2\left(sin\left(t\right)cos\left(t\right)-2sin^3\left(t\right)cos\left(t\right)\right)$
$\frac{d}{dx}\left(x^2+y^2+2xy=11\right)$
$\left(2x^{2n}-1\right)^2$
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