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August 9th, 2011, 12:27 PM  #1 
Newbie Joined: Aug 2011 Posts: 1 Thanks: 0  Simplify using index laws
Hi, I am little confused by a sample problem within a book I'm working through. The problem is to simplify using index laws: and the answer the books gives is: But I'm a little confused about the , I thought it should be because Have I missed a step? Thanks for any help provided. P.S Apologies if my LaTex is a little off (first time I have used it) 
August 9th, 2011, 01:02 PM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Simplify using index laws
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