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Math Help - help about Laplace transformation

  1. #1
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    help about Laplace transformation

    hi,

    can anyone tell me what is the answer for this equation

    f(t) = (e^-3t) (4t)


    thanks
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  2. #2
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    Quote Originally Posted by ladygirl View Post
    hi,

    can anyone tell me what is the answer for this equation

    f(t) = (e^-3t) (4t)


    thanks
    You're expected to be familiar with the Shifting Theorem: LT\left[ e^{-\alpha t} f(t)\right] = F(s - \alpha) where F(s) = LT[f(t)].
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