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Mathematics 14 Online
OpenStudy (anonymous):

at tutorial.math.lamar.edu/Classes/DE/PeriodicOrthogonal.aspx in the definition of "Orthogonal Functions" (2) says if c>0 i=j what is this "c" & where has it come from?

OpenStudy (anonymous):

sorry * if i=j then c>0 also I guess "c" is an answer, isn't?

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