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posted by  manja on 8/18/2008 7:07:55 PM  |  status: Live  

binomial theorem

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Prove that the  coefficient of of the above expansion is
 

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posted by penpen on 8/19/2008 2:55:29 AM  |  status: Live
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coefficient of x2n equals to =
which should be the answer. (Here there is a geometric series)
Tags: Math, Precalculus
(Cramster SME)
posted by Jasminek on 8/19/2008 3:09:36 AM  |  status: Live
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Tags: Math, Precalculus
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