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Differentiation of exponential

  1. Feb 21, 2016 #1
    dydx.jpg

    Plz give me an easy explanation

    I do know about the differentiation and second differentiation. I just don't get how that negetive sign comes in front of the exponent in the second differentiation
     
  2. jcsd
  3. Feb 21, 2016 #2

    jedishrfu

    Staff: Mentor

  4. Feb 21, 2016 #3
    Thank you very much
     
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