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Homework Help: Ratio test

  1. Mar 6, 2016 #1
    • Member warned about posting with no effort shown
    1. The problem statement, all variables and given/known data
    where does the 1(circled part) come from ? is it a mistake ?

    2. Relevant equations


    3. The attempt at a solution
     

    Attached Files:

  2. jcsd
  3. Mar 6, 2016 #2

    Filip Larsen

    User Avatar
    Gold Member

    Try look closer. There is a difference in the second expression apart from the 1.
     
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