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# expand this series

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Intern
Joined: 25 Mar 2008
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24 Oct 2009, 00:48
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(a + 1 − 1)^(n + 1)

How to expand this ? binomial theorem . I am scared about the signs in the series .

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Intern
Joined: 25 Mar 2008
Posts: 43

Kudos [?]: 9 [0], given: 0

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24 Oct 2009, 09:24
Nothing understood.

Can any one explain in a simpler way ?

Thanks

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Re: expand this series   [#permalink] 24 Oct 2009, 09:24
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