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Re: Out[1]=((5Sqrt[5])/20 + (5+Sqrt[5])/20 ) == 1/2 ???
 To: mathgroup at smc.vnet.net
 Subject: [mg20056] Re: [mg19976] Out[1]=((5Sqrt[5])/20 + (5+Sqrt[5])/20 ) == 1/2 ???
 From: BobHanlon at aol.com
 Date: Wed, 29 Sep 1999 03:33:20 0400
 Sender: ownerwrimathgroup at wolfram.com
Patrick,
It appears to have converted to numerical calculation before simplifying. Use
Simplify
Simplify[( (5  Sqrt[5])/20 + (5 + Sqrt[5])/20 )] == 1/2
True
Bob Hanlon
In a message dated 9/24/1999 5:56:11 AM, p_mclean at postoffice.utas.edu.au
writes:
>Can any one explain this behaviour???
>
>hilbert% math
>Mathematica 3.0 for Solaris
>Copyright 198896 Wolfram Research, Inc.
>  Terminal graphics initialized 
>
>In[1]:= ( (5Sqrt[5])/20 + (5+Sqrt[5])/20 ) == 1/2
>
>$MaxExtraPrecision::meprec:
> $MaxExtraPrecision = 50. reached while evaluating
> 1 5  Sqrt[5] 5 + Sqrt[5]
> () +  + . Increasing the value of
> 2 20 20
> $MaxExtraPrecision may help resolve the uncertainty.
>
> 5  Sqrt[5] 5 + Sqrt[5] 1
>Out[1]=  +  == 
> 20 20 2
>
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