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Find the differential

  1. Sep 27, 2011 #1
    1. The problem statement, all variables and given/known data
    I need to find the differential of the function: u = e-t*sin(s+2t)

    2. Relevant equations

    3. The attempt at a solution

    I really dont know how to start.
  2. jcsd
  3. Sep 27, 2011 #2
    You won't get any help unless you have proven to us that you have done your work. This forum is not about doing your work for you.
  4. Sep 27, 2011 #3
    use formula for total differential
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