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MathGroup Archive 2005

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Re: Elementary Calculation

  • To: mathgroup at smc.vnet.net
  • Subject: [mg60084] Re: Elementary Calculation
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Thu, 1 Sep 2005 06:43:17 -0400 (EDT)
  • Organization: The Open University, Milton Keynes, U.K.
  • References: <df668b$8m3$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Jim Dars wrote:
> Hi All,
> 
> I'm using version 4.
> 
> I wish to calculate (24+5*sq,rt.23)^2
> I'm using the square root symbol from the palette.
> 
> I want to obtain (1151 + 240*sq.rt. 23)
> 
> I've tried Simplify and FullSimplify but I keep getting (24+5*sq,rt.23)^2.
> 
> What command should I use?
> 
> Thanks in advance.
> 
> Best wishes, Jim
> 
> 
Hi Jim,

Use *Expand*

http://documents.wolfram.com/mathematica/functions/Expand

In[1]:=
Expand[(24 + 5*Sqrt[23])^2]

Out[1]=
1151 + 240*Sqrt[23]

Regards,
/J.M.


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