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Solving equations - When to take logarithms?

  1. Jun 14, 2007 #1
    How do i know when to take the ln of both sides to solve an equation for example would i for y=10^(1-x)-(1-x)^10
     
  2. jcsd
  3. Jun 15, 2007 #2

    olgranpappy

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    you try it and see if it works
     
  4. Jun 15, 2007 #3

    Gib Z

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    If theirs an 'e' on either side and you want to get rid of it, ie you have e^x and you only want x.
     
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