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Log question

  1. Feb 11, 2008 #1
    Why was logx less than or equal to x-1 for all x?
    Thanks in advance for your help!
  2. jcsd
  3. Feb 11, 2008 #2


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    Compare the value of log(x) and x-1 at x=1.
    Then compare the derivatives of these two fubctions and reach an interesting conclusion.
  4. Feb 12, 2008 #3
    oh yeah...that makes sense. thank you!
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