Suppose [itex]\{\varphi_i\}[/itex] is an infinite set of linearly independent functions. Is [itex]\{ \varphi_i^\ast \}[/itex] linearly indepedent? How about [itex]\{ \varphi_i \} \cup \{ \varphi_i^\ast\}[/itex]?(adsbygoogle = window.adsbygoogle || []).push({});

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# Linear indepedent functions and complex conjugation

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