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  1. When x(n) is real then the Fourier series coefficients are correlated as __________ .

    2. A.
    a-k = ak*
    B.
    ak = ak*
    C.
    ak+1 = ak*
    D.
    a-k+1 = ak*

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    Answer : Option A

    Explanation :

    a-k = a*k for all values of k.

    In fact, this equality holds whenever x[n] is real.

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