Matematyka
$f(a, k, r, s, t, w, x) =$ | $\dfrac{{\mathrm{e}}^{2}{\cdot}\mathrm{{i}^{\color{#a0a0a0}{\href{http://en.wikipedia.org/wiki/Imaginary_unit}{?}}}}{\cdot}akrstwx{\cdot}\left(x+1\right)}{{\pi}}$ |
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$\displaystyle\int{f(a, k, r, s, t, w, x)}\, \mathrm{d}x =$ | $\dfrac{{\mathrm{e}}^{2}{\cdot}\mathrm{{i}^{\color{#a0a0a0}{\href{http://en.wikipedia.org/wiki/Imaginary_unit}{?}}}}{\cdot}akrstw{\cdot}\left(2{x}^{3}+3{x}^{2}\right)}{6{\pi}}$ |