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Summation of exponentials, as a multiplication of exponentials?

  1. Jun 12, 2009 #1
    Hello,

    Can we write a summation of exponentials, as a multiplication of exponentials?

    Regards
     
  2. jcsd
  3. Jun 12, 2009 #2

    CompuChip

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    Re: Exponentials

    Only like
    [tex]e^a e^b = e^{a + b}[/tex]

    There is no such rule as
    [tex]e^a + e^b = e^{a b}[/tex]
    or something like that.
     
  4. Jun 13, 2009 #3

    CRGreathouse

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    Re: Exponentials

    Best I can do is e^a + e^b = e^a * (1 + e^(b-a)).
     
  5. Jun 14, 2009 #4
    Re: Exponentials

    Yes I agree with both of you. Thank you
     
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