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Homework Help: Find this limit

  1. Oct 12, 2015 #1
    • Member warned about posting with no effort shown
    The problem statement, all variables and given/known data
    Evaluate ##\lim_{a \rightarrow b} \frac{a^b-b^a}{a^a-b^b}##

    The attempt at a solution

    I applied L'Hospital's rule and to differentiate it, I took the help of logs.
    Last edited by a moderator: Oct 12, 2015
  2. jcsd
  3. Oct 12, 2015 #2
    Please show work and use ## for latex
  4. Oct 12, 2015 #3
    ## ?
  5. Oct 12, 2015 #4
    Put your code between two sets of ##
  6. Oct 12, 2015 #5
    What does ## mean?
  7. Oct 12, 2015 #6
    It means start code and end code. See I added them to your first post.
  8. Nov 8, 2015 #7


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    2017 Award

    Staff: Mentor

    Please show your work then. Where did you get stuck?
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