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Checking a laplace transfrom

  1. Oct 21, 2008 #1
    1. The problem statement, all variables and given/known data

    I did a laplace transform and needed to check it.

    L(1/(s+1)^2) = -t*exp(-t)
  2. jcsd
  3. Oct 21, 2008 #2
  4. Oct 21, 2008 #3
    no, it's not correct. how did you get the minus sign?
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