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Homework Help: How do i solve this ?

  1. Nov 6, 2009 #1
    1. The problem statement, all variables and given/known data

    http://img513.imageshack.us/img513/2687/problem15001.jpg [Broken]

    2. Relevant equations

    I know the answer is e but i forgat how to do the lny=xln(1+1/n) and then I solve an get an e because ln and e are inverse but i forgot the process can you please show me the process

    3. The attempt at a solution
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Nov 6, 2009 #2


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    Homework Helper

    at the stage

    [tex] \stackrel{lim}{n \rightarrow \infty}, ln(y) = n.ln(1+1/n) [/tex]

    the limit is indeterminant 0 * infinity, so can you re-write it and use L'Hopitals rule...?
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