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  1. The Laplace transform of the given waveform is

    2. A.
    (1 - e-s + e-2s)
    B.
    (1 - e-s + e-2s)
    C.
    (1 - 2e-s + e-2s)
    D.
    (1 - 2e-s)

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    Answer : Option C

    Explanation :

    f(t) = f1(t) + f2(t) + f3(t)

    = 2tu(t) - 2 x 2(t - 1) + 2(t - 2)u(t - 2)

    f(s) = - e-s + e-2s

    = (1 - 2e-s + e-2s).

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