July 8th, 2013, 09:21 AM  #1 
Newbie Joined: Jul 2013 Posts: 1 Thanks: 0  limit help required
Can anyone help me with the proof of the following limit please?? limx?1 (C^(1x)1) / (1x) = lnC Thank you in advance. 
July 8th, 2013, 01:26 PM  #2 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,963 Thanks: 1148 Math Focus: Elementary mathematics and beyond  Re: limit help required
Hi, Levon and welcome to the forum. When you have a question, please post it in its own topic. Thanks. One way to do this problem is with L'Hospital's Rule: if A complete statement of the rule is given here. A solution with L'Hospital's Rule: It should be clear that the derivative of the function in the denominator is 1. calculated as follows, so we have 
July 9th, 2013, 01:06 PM  #3 
Senior Member Joined: Aug 2012 From: New Delhi, India Posts: 157 Thanks: 0  Re: limit help required
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