June 27th, 2010, 12:30 PM  #1 
Newbie Joined: Jun 2010 Posts: 22 Thanks: 0  logarithm
Can you help me with this set of equations?? 
June 27th, 2010, 12:51 PM  #2 
Senior Member Joined: Feb 2010 Posts: 706 Thanks: 140  Re: logarithm
Let and .

June 27th, 2010, 03:52 PM  #3 
Global Moderator Joined: Nov 2009 From: Northwest Arkansas Posts: 2,766 Thanks: 4  Re: logarithm
And write 5^(x2) as (5^x)^(5^2) ... (or multiply both sides by 25 and by 4) 
June 27th, 2010, 08:49 PM  #4 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,931 Thanks: 1126 Math Focus: Elementary mathematics and beyond  Re: logarithm 

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