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MathGroup Archive 1999

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Strange result of Limit function in Mathematica3.0

  • To: mathgroup at smc.vnet.net
  • Subject: [mg15974] Strange result of Limit function in Mathematica3.0
  • From: Jan Krupa <krupa at alpha.sggw.waw.pl>
  • Date: Fri, 19 Feb 1999 03:26:58 -0500
  • Organization: http://news.icm.edu.pl/
  • Sender: owner-wri-mathgroup at wolfram.com

It is well known that:
(2^n+8^n)^(1/n)->8 as n->Infinity
and
(2^n+3^n)^(1/n)->3 as n->Infinity

but mathematica3.0 gives very strange results:


In[1]:=<<Calculus`Limit`

In[2]:= Limit[(2^n+8^n)^(1/n),n->Infinity]

Out[2]:= 1/E


In[3]:=Limit[(2^n+3^n)^(1/n),n->Infinity]

Out[3]:= E

Does Mathematica3.0 give such strange result only
on my machine or may be I have made some mistake?

Sincerely Yours

Jan



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