████████ ███████ █████

████████ ███████ ████████████

████████ ███ ███████ ████████████ ███ ████████ ██████ ████████ ██ ███████ █████ ██████████:

${\displaystyle \overrightarrow{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}={\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\overrightarrow{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}}$

██ ████████ ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ █████ ██████████████, ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ███ ███████ ████████ █████████████ ███████ ████. ███████ ██████████ ██████ ████████ ██████████ ██ ██████ ██████████ ██████ ██████ ███████ █████████:

${\displaystyle \mathbf{\text{<span word-length="1" class="word redacted">█</span>}}={\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\left({\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}+{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\cdots \right)}$

██ ██

${\displaystyle \mathbf{\text{<span word-length="1" class="word redacted">█</span>}}=\underset{\text{<span word-length="8" class="word redacted">████████</span> <span word-length="5" class="word redacted">█████</span>}}{\underbrace{{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}}+\underset{\text{<span word-length="8" class="word redacted">████████</span> <span word-length="7" class="word redacted">███████</span> <span word-length="5" class="word redacted">█████</span>}}{\underbrace{\left({\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\cdots \right)}}}$

${\displaystyle {\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ ███████ ████████ ███████████████ █████ ███████ █████ ████████ ████ ███ ██████████ ████████████████ █████ ████; ███████ ████████ ██ ██████████ ████████ ███████████ ██ ███████████ ██████ █████████████ ██████ ██████. ██ ███████ ██ ██████████ █████████████ ███████████████ ████ ██████ █████ ██ ██████ ████ ███████. ██████ ██████████ █████████████████ ██████ ██████ ████████ ███████ █████ ███████ ██████ ████████ █████████.

████████ ███████ ███████ █████ ████████

████████ ███████ ████████████ ██████ ███████ ████████████ ███████████████ █████ ███████████ █████████████ ███ █████████████. ████████████, ██████ █████ ████████ ████ █████ ████████ ███████ ███████████ █████████ ███ ██ ███████ ███████████:

${\displaystyle \mathrm{\nabla }\times \mathrm{\nabla }\times \widetilde{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\frac{{\mathrm{\partial }}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}{\mathrm{\partial }{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}\widetilde{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$

██ █████████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ████████ ███ ██████████ ███████ ████████ ██ ████████ ██████ ████████ ${\displaystyle \widetilde{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}={\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\widetilde{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}+\widetilde{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}}$ ████████ ██████. ███ ██████████ ████████ ██████████ ██████ ██████ ███████████ ███ ███████ ██ ███████ █████ ██████:

${\displaystyle {\mathrm{\nabla }}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\widetilde{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}-\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}\frac{{\mathrm{\partial }}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}{\mathrm{\partial }{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}\widetilde{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}=\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}\frac{{\mathrm{\partial }}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}{\mathrm{\partial }{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}\widetilde{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}}$

██ ████████ ${\displaystyle \mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}$, ${\displaystyle {\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ ██ ${\displaystyle {\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ ██████ ████████ ██ ████████ ███████ ███████████ ███ █████ ██████████. ${\displaystyle {\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$'██ █████████ ███ ███████████ ██████ ██████ ████████████, ███████ ███████ ███ █████ ████████ ████ ██████:

${\displaystyle {\mathrm{\nabla }}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\widetilde{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}-\frac{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}}{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}\frac{{\mathrm{\partial }}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}{\mathrm{\partial }{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}\widetilde{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}=\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}\frac{{\mathrm{\partial }}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}{\mathrm{\partial }{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}{\widetilde{\mathbf{\text{<span word-length="1" class="word redacted">█</span>}}}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$

███████ ██████████ ██ ██████ ████████ ███████

████████ ███████ ███████ ████ ██████████ ███████████████ ████████ ██████ ██████████ ███ ██████ ███ ████████ █████████. ██ ███████████ ████ ██████ ████████ ███████ ██ ██ ███████ ████████████. ██ ███████ ███████ ██████ ████ ██████ ███ ████ ███████████ (${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$) ███ ████████ ████ ██████. ████████ █████████ ████ █████████ ██████████ ██████ ████████ ████ ███ ██████ ███████████, ██ ██████████ ████████ ██████████ ██ ████████ ████ ███████. ███ ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ████████ ██████ █████████ ████████ █████████ █████████████ ████████ ███ ██ ███████ ███████████:

${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}=\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$

██ ███████ ██████ ██████████ ██████████████ ████████ ████████ ███ ██ █████████████ ██████ ██ ██ █████ █████████████ ██████ ███████. █████████ ████████ ██████ ████████ ██████████ ██ ██████████; ████████ ███████ █████████ ███ ██████ ███████████ ████ ███████ ██████ ██████ ████████. ██████ ████████████ ████████ ███████ █████████ ██████ ████████ ███████ ████. ██ ███████ ████ █████ ███ █████████████ ██████████ ███ ██████████ ██████████████ ████ ███ █████████ (█████ ████████) ████████████ ██████████ ███████: ██████ ████████ ███████ ████ ██ █████ ██████████ █████ ██████████ ████ ████████ █████ ██████████ ███ ████ ██████ ██████ █████ ██████████. ███ ██████ ███ ██████████ ██████ ████████ ████████.

████████ ███████ ████████████ ██████ ██████████████ ██████ █████ █████ ███████ ███ ██████████ █████ █████ ████████████ ███ ███████████ █████████████; ██ ███████ ██████████ ██████ ███████. ██████ ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ ██ ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ ██████ ████████████████ ██ █ █████████████ ███████████ █████ ███ ████████ ████ █████ ███████ ███ ██ ███████ ███████████:

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\left[{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}({\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}})+{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}({\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}})\right]}$

██ ████ ████ ██████ ██████████ ████████████ (${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}={\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$) ██████ ██████ ███ █████ ███████████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$, ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$, ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}-{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ ███ ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ █████████████ ████████.

███████-█████ ███████

███████-█████ ███████ ██ ██ ██ █████ █████████ ██ ████████ █████████ ████████ ███████ ████ ███████ ███████████ ███████████ ███ ███████████. ██ ███████ ███ ███████-█████ ████, ███████ ██ ████ ███████████. ██ ███ ██████ ██ ████████ ██████ ███████████ ███ ██████ ████████ ███████ █████████ ███████ ███████. ██ ███████ ███████ ██ ████ ████████ █████ ████████ ████ ██████ ██████████████ ████████ ████████████████. ███████-█████ █████████ ███████ █████████ ████████, ███████ ██████ ██ ████████ █████ ██████ ████████████ ███████ ██ ███████ █████ ██████████:

${\displaystyle \frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}=\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$

██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █████ ███████ ██████, ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ █████ █████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ███ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ███ █████████ ████ ███████ ███████-█████ █████████████.

███████ ██████

███████ ██████ ████████ ████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ████████████ ███ █████████ ██ ████████ █████████ ███████ ████████████ ███████. █████████ █████ ██████ ████████ ███ ████ ███████ ███████████████ ██ ██ █████████ ██████████████ ████████ ███████ ██████ ███████. ███ ██ █████ ████ ██████ ██████████ █████████████ █████ ████ ██ ██████ ████████ ███ ███████ ██████. ███████ ██████ ████████ ███ ██████████ ████ ███████ ████████████████. ███████ ██████ ███████ ████████ ████████████████████ ██████ ███ ██████████ (█████ ████████) ██████ ██████████████; ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █████████████ ███ ███████ ██████████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ██████████ ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ █████ █████ ███ ███████ █████████ ███ █████

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$

████████ █████ ██████████. ██ ████████ ██████ ██ ████████ ████ ██████████ ██████ ███████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ████████ ███████████. ██ ████████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █████ ███ ███ █████ ███████ ████████ ██████ ██████ ███████ ███ ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}={\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}/\left(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\right)}$ ███ █████ ██████████. ██ ███████ ████████ ██████ ██████████ ███

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}={\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\left(\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}\right)}$

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███████ █████████ ██████ ██████████ ███ ██████ ██████████ █████████████ ██████ ████ ████ ██████ ███████████; ██ ████ ██████████ ████████ █████████ ████ ██████████ ███ ████████ ███████ ██████████ ███████████████. ██ ████, ███████ ████████ ██████ ███ ███████ ███████ ████ █████████ ██ ██████████ ███ ███████ ███ ████. ████ ██████ ████ ████████ ██████ ████████ █████ ████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ███████████ ████ ████. ███████ ██████ █████ ██ ███████

${\displaystyle |\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|=\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$

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