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Math Help - Summation

  1. #1
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    Summation

    I am just wondering how my Calculus tutor got from this step to the other. Please see RED

    Thanks,

    -qbkr21
    Attached Thumbnails Attached Thumbnails Summation-riemann-2.gif  
    Last edited by qbkr21; May 9th 2007 at 12:21 PM.
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  2. #2
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    Re:

    I know what the cases are but I am just wondering how we jumped from i^3 to i^2 did something divide out?
    Attached Thumbnails Attached Thumbnails Summation-cases.gif  
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  3. #3
    Forum Admin topsquark's Avatar
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    The i^3 is a typo. It should have been i^2 as it is in the second red line.

    -Dan
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    Re:

    When we pulled out

    (8/n^3) from SUM does "i" go down a power?
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  5. #5
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by qbkr21 View Post
    When we pulled out

    (8/n^3) from SUM does "i" go down a power?
    Nope. Check out my last post. We were posting at the same time.

    -Dan
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  6. #6
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    Re;

    Dan You Are The Freak'in Man Thanks So Much!
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  7. #7
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    RE: One last thing

    I was just wanting to know where this extra "n" came from. See Purple. Thanks!
    Attached Thumbnails Attached Thumbnails Summation-riemann-3.gif  
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