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Klasično zlo | Classical evil #2

Neka je zadana realna funkcija realne varijable s pravilom pridruživanjaf(x)=\frac{1+10x}{10-100x}.

Odredi \sum_{i=1}^{6000}f^{(i)}(0.5),
gdje f^{(i)} označava i-tu kompoziciju.

Let f(x) be a real function with real variables such that: f(x)=\frac{1+10x}{10-100x}. Determine \sum_{i=1}^{6000}f^{(i)}(0.5), where f^{(i)} is the i-th composition of the function.