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Math Help - Express in sigma notation

  1. #1
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    Express in sigma notation

    nb
    Last edited by oceanmd; December 13th 2007 at 04:58 AM.
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by oceanmd View Post
    1/e+2/e^2+3/e^3+4/e^4+....+an (n lower than a)

    I am not sure how to do it.
    Is it sigma sign, on top n, on the botton k+1, next to it k/e^k

    Please write the correct solution.

    Thank you
    is this what you are describing? \sum_{k = 1}^{n} \frac k{e^k}
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  3. #3
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by oceanmd View Post
    Yes, I am still learning how to code, but this is exactly what I meant.
    So is it correct?
    yes
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