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Hong Quy
Yang-Mills Theory
Yang-Mills Theory


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Joined: 20 Feb 2005
Posts: 543
Russian FederationViet Nam

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#1
Limit 4
4.11

Find limit of the sum:
\lim_{ x \to \infty} \sum_{n = 1}^{\infty} \frac {x^2}{1 + n^2x^2}

PS: Sorry, i edited it.
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Last edited by Hong Quy on Wed Nov 04, 2009 1:30 am; edited 1 time in total 
PostPosted: Tue Nov 03, 2009 10:17 pm  Back to top 
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kenn4000
Yang-Mills Theory
Yang-Mills Theory

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Joined: 30 May 2008
Posts: 518
Location: wilderness
Papua New GuineaZimbabwe

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#2
lim as n goes to infinity of the index? what? is that limit supposed to be there? do you mean as x goes to infinity?

PostPosted: Tue Nov 03, 2009 10:29 pm  Back to top 
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milin
Riemann Hypothesis
Riemann Hypothesis


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Joined: 04 Nov 2007
Posts: 455
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#3
\lim_{x\to\infty}\sum_{n=1}^{\infty}\frac{x^{2}}{1+n^{2}x^{2}}=\lim_{x\to\infty}\sum_{n=1}^{\infty}\frac{1}{\frac{1}{x^2}+n^{...

PostPosted: Wed Nov 04, 2009 8:52 am  Back to top 
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