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Discussion :: GATE Mechanical

  1. The function f (t ) satisfies the differential equation d2f/dt2 + f = 0 and the auxiliary conditions, f(0) = 0, df/dt(0) = 4. The Laplace transform of f (t) is given by
    2. A.
    2/(s + 1)
    B.
    4/(s + 1)
    C.
    4/(s2 + 1)
    D.
    2/(s4 + 1)

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    Workspace

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    Answer : Option C

    Explanation :

    -NA-

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