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Math Help - Summation Problem

  1. #1
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    Summation Problem

    Hey guys-

    I can't figure out how to get this into the math tags, sorry! If anyone has insight, that would be great. I have experience with Maple, but this doesn't seem to be the same...

    Anyway, I'm having difficulty with a summation problem:

    It's the summation from k = 2 to 32 of (-1)^k. What would the formula for this be? Obviously I could write out 30 terms and add them but that wouldn't be calculus now, would it?

    In Maple, it would look like:
    sum((-1)^k, k=2..32)

    Thanks guys!

    EDIT: I'm sorry, it was k = 3 to 32 in the summation.
    Last edited by Chaoticx; November 26th 2007 at 07:32 PM.
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by Chaoticx View Post
    Hey guys-

    I can't figure out how to get this into the math tags, sorry! If anyone has insight, that would be great. I have experience with Maple, but this doesn't seem to be the same...

    Anyway, I'm having difficulty with a summation problem:

    It's the summation from k = 2 to 32 of (-1)^k. What would the formula for this be? Obviously I could write out 30 terms and add them but that wouldn't be calculus now, would it?

    In Maple, it would look like:
    sum((-1)^k, k=2..32)

    Thanks guys!
    well, if you want to be formal, you can realize that this is a geometric series, use the formula.

    otherwise, you can just figure out the pattern here, it's not that hard
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