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nΣk=0 [5^k+ k^3]

We were give 6 basic summation rules and the closest one that we could work with doesn't fit the prperties. Thank you.

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This question does not fit the site; please see the FAQ for a description of what the subject of MO is. You should try math.stackexchange.com or some othe site among those listed in the FAQ for your question. Good luck! – Mariano Suárez-Alvarez Jan 24 2012 at 6:47
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Oh, okay. Thanks! – Alex Crenell Jan 24 2012 at 6:49

closed as off topic by Ryan Budney, Mariano Suárez-Alvarez, Bruce Westbury, Robert Israel, Will Jagy Jan 24 2012 at 7:09

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