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Discussion :: Signals and Systems

  1. If x1(t) = 2 sin pt + cos 4 pt and x2(t) = sin 5 pt + 3 sin 13 pt then

    2. A.
    x1, x2 both periodic
    B.
    x1 x2 both not periodic
    C.
    x1 periodic, x2 not periodic
    D.
    x1 is not periodic ; but x2 is periodic

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    Answer : Option A

    Explanation :

    .

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