$\int c^{4x}dx$
$-901\:-\:-160$
$2\left(\tan\left(x\right)-\cot\left(x\right)\right)$
$\frac{162.46}{1931.50}$
$-7cos^2x=7sin2x$
$5y-9z-7y+5z$
$x\left[n\right]\:=\:y\left[n+2\right]-4y\left[n+1\right]+3y\left[n\right]$
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