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MathGroup Archive 1997

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(a+b)^b

  • To: mathgroup at smc.vnet.net
  • Subject: [mg6374] [mg6374] (a+b)^b
  • From: TTCJ34A at prodigy.com (DR JOHN C ERB)
  • Date: Fri, 14 Mar 1997 14:54:20 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

>Hi All,

>Who could help me and give the formule of the following:

>(a+b)2 = 1a2 + 2ab + 1b2

>What is the formule of (a+b)n ???
>n is a variable number.

>Thanx!!!

>Yiorgos Wisse
>Gerard.Wisse at nlehvfm1.origin.nl


Try using the buillt-in function Binomial.

E.G.,  n=4;
         Table[Binomial[n,j],{j,0,n}] gives
        {1,4,6,4,1}

Or you may wish to use Expand
       Expand[(a+b)^2] gives
       a^2 + 2 a b + b^2

Hope this is what you were looking for.
John C. Erb


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