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Math Help - infinite summation problem

  1. #1
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    infinite summation problem

    I need to calculate the sum of the first n terms of ln(a)^nn! where 0≤n≥10. What values of a can I use?
    EDIT: sorry i meant 0≤n≤10
    Last edited by Shadow2793; March 14th 2010 at 06:50 PM.
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  2. #2
    Super Member Anonymous1's Avatar
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    Quote Originally Posted by Shadow2793 View Post
    where 0≤n≥10
    ???????

    I think you meant 0\leq n \leq 10

    you can use all values of a that don't cause problems with the range of \ln(a), i.e., a > 0.
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  3. #3
    Super Member Anonymous1's Avatar
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    Are you sure there is a stipulation on the value of n? If this is in fact an infinite series then we have:

    \sum_{n=0}^{\infty} \frac{\ln(a)^n}{n!} = e^{ln(a)} = a where a>0.
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  4. #4
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    ok, thank you all
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