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Math Help - Laplace Transformations

  1. #1
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    Laplace Transformations

    Can anybody see where Iam going wrong in the attached working?

    The ans is:

    Laplace Transform (sin2t) =

    2/(s^2 + 4)
    Attached Thumbnails Attached Thumbnails Laplace Transformations-tut6.pdf  
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  2. #2
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    \displaystyle u = e^{-st} \implies du = -s \cdot e^{-st}dt, not \displaystyle du = -\frac{1}{s}e^{-st}dt.

    -Dan
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  3. #3
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    Thanks Dan

    Much appreciated!
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