Question: (a) Use Parsevals theorem for the DFT to derive a relationship between | X c1 [k] | 2 and |x[n]| 2 . (b)

(a) Use Parseval’s theorem for the DFT to derive a relationship between ∑ | Xc1[k] |2 and ∑ |x[n]|2.

(b) Use Parseval’s theorem for the DFT to derive a relationship between ∑ |Xc2[k] ∑|2 and ∑ |x[k]|2.

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