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MathGroup Archive 1999

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Re: Simplify Log[ab] - Log[b] to Log[a] ?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg16055] Re: [mg16039] Simplify Log[ab] - Log[b] to Log[a] ?
  • From: Jurgen Tischer <jtischer at col2.telecom.com.co>
  • Date: Mon, 22 Feb 1999 01:44:34 -0500
  • Organization: Universidad del Valle
  • References: <199902210515.AAA28765@smc.vnet.net.>
  • Sender: owner-wri-mathgroup at wolfram.com

In[1]:= PowerExpand[Log[a b] - Log[b]]

Out[1]= Log[a]

Jurgen

Simon Allfrey wrote:
> 
> How do I persuade Mathematica to simplify
> 
> Log[a b] - Log[b] to Log[a]?
> 
> when processing algebraic expressions?


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