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Homework Help: What if X is 0 or lower in Logarithm Cancellation Law

  1. Jul 9, 2009 #1
    What difference will it make?
  2. jcsd
  3. Jul 9, 2009 #2


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    Do you have an example of what you are talking about?
  4. Jul 10, 2009 #3
    log(x) is undefined for x<=0, so any laws involving logs do not make sense when x<=0.
  5. Jul 10, 2009 #4
    That does it. Thanks
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