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Need help to figure out the solution

  1. Sep 24, 2011 #1
    I need help help to figure out how each of those steps were achieved
     

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    Last edited: Sep 24, 2011
  2. jcsd
  3. Sep 24, 2011 #2
    I can't read word documents.
     
  4. Sep 24, 2011 #3

    mathman

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    Science Advisor

    The first line is the assertion of the induction proof. The other lines are just simple arithmetic manipulations.
     
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