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1. Let x[n] be a periodic sequence with period N with Fourier series representation x[n] = akek(34)n k=<N> Assume that N is e

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CALC /dk aln)- & an elkzan x/n-/2) - 2 ak jK2an et *In-N - & ar cukuran 32X cik zin) (-1) = & aken -- Hin] <N> >>*(n)--[n-N7

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