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 October 14th, 2012, 07:47 AM #1 Newbie   Joined: Oct 2012 Posts: 3 Thanks: 0 How to solve this integral? So, it says: Using the Cauchy integral test, determine convergence: and integral is http://imageshack.us/photo/my-images/38/intja.jpg/ I tried, and it seems that it cannot be solved (just goin round and round). Any idea on this?
 October 14th, 2012, 02:24 PM #2 Newbie   Joined: Oct 2012 Posts: 3 Thanks: 0 Re: How to solve this integral? Anyone?
 October 14th, 2012, 10:44 PM #3 Senior Member   Joined: Aug 2011 Posts: 333 Thanks: 8 Re: How to solve this integral? 1/(n*(ln(n)^3)*((ln(ln(n))^2))) < 1/(n*(ln(n)^2)) Integral dx/(x*(ln(x)^2)) = -1/ln(x) is converging for x->infinity
 October 15th, 2012, 09:19 AM #4 Newbie   Joined: Oct 2012 Posts: 3 Thanks: 0 Re: How to solve this integral? Thnx

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