<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">Rozložte ve Fourierovu řadu fukci  $f(x) = {q \sin x \over 1 - 2
q \cos {x} + q^2},$ kde $q \in R$ a $|q| &lt; 1.$
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