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 11-26-2009, 03:49 PM #1 ~~~~~~~~   Join Date: Jan 2005 Location: Wales Posts: 5,556 Maths Help Hey Guys, Could some of you 1337 Maths Guru's help me out with some A-Level Further Pure? I've got to find an expression for Sn in terms of n, giving my answer as a product of Linear factors.... :| __________________
 11-26-2009, 07:16 PM #2 Fully Optimized     Join Date: Oct 2008 Location: USA Posts: 2,404 Re: Maths Help Well obviously the answer is eleven. I mean isn't it just obvious? Damn, so what math are you taking? __________________ __________________ Everyone's Favorite Turd xD ET: "Phone home!" Geek: "ping 127.0.0.1" "If that guy knew half the \$h*t that I know, his fuzzy little head would explode. " - Matthew Farrell
 11-26-2009, 07:17 PM #3 Omnipotent One     Join Date: Apr 2006 Location: USA Posts: 11,161 Re: Maths Help 42
11-26-2009, 10:09 PM   #4
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Join Date: May 2009
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Re: Maths Help

Quote:
 Originally Posted by Atomic Rooster 42

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 11-26-2009, 10:25 PM #5 Guru     Join Date: Jan 2008 Location: U.S. Posts: 7,841 Re: Maths Help In order for you to write that in terms of n, there needs to be a canceling factor. There must be a way to rewrite it so that subtraction is involved. In another words, if the corresponding infinite series is divergent, there's no way to write it in terms of n unless you want to show the pattern with numbers and then use the "...".