$$ \left( 20 + 2 \cdot \frac{1}{20 + \frac{1}{20 + \frac{1}{20 + \ddots}}} \right)^2 = \sum_{n=0}^{\infty} \left(\frac{403}{404}\right)^n$$
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$$ \left( 20 + 2 \cdot \frac{1}{20 + \frac{1}{20 + \frac{1}{20 + \ddots}}} \right)^2 = \sum_{n=0}^{\infty} \left(\frac{403}{404}\right)^n$$
404 Page not found!