Участник:QrazyDraqon/f

$\frac{\begin{array}{c}\sum \\ n\in \mathbb{\mathbb{N}}\\ \cos n\le |\overrightarrow{{\varphi }_n}|\end{array}\sqrt{\frac{1}{n^2*2^n}\underset{0}{\overset{2n\pi r}{\int }}\frac{\sqrt[n!]{\sum _{n=1}^{\mathrm{\infty }}\frac{1}{2^n\sin nx}+\sum _{n=1}^{\mathrm{\infty }}\text{<mrow data-mjx-texclass="ORD">arctg</mrow>}\frac{1}{n^2+n+x}+x^2}+1}{\prod _{n\in \mathbb{\mathbb{N}}}|\overrightarrow{{\varphi }_n}|}dx}}{\mathrm{\#}(\bigcap _{i\in I}{\text{<mrow data-mjx-texclass="ORD">pr</mrow>}}_i({\phi }_{\mathbb{ℂ}}(\text{<mrow data-mjx-texclass="ORD">int</mrow>}(\overline{\mathrm{\Re }(\underset{\_}{\frac{1}{n}*E^{\prime }})}\times \overline{\mathrm{\Im }(\underset{\_}{\frac{1}{n}*E^{\prime }})}),0))}=\sqrt{\xi (E)}$