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Old 11-26-2009, 04:49 PM   #1
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Default 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.... :|
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Old 11-26-2009, 08:16 PM   #2
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Well obviously the answer is eleven. I mean isn't it just obvious?


Damn, so what math are you taking?
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Old 11-26-2009, 08:17 PM   #3
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42
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Old 11-26-2009, 11:09 PM   #4
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Quote:
Originally Posted by Atomic Rooster View Post
42

Is that your answer for everything?
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Old 11-26-2009, 11:25 PM   #5
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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 "...".
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