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  1. The amplitude of a pair of composite sinusoidal signal y(n) = x1(n) + x2(n) with x1(n) = sin (5pn) x2(n) = 3 sin (5pn) is __________ .

    2. A.
    2
    B.
    3
    C.
    4
    D.
    1

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    Answer : Option A

    Explanation :

    Amplitude = .

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