1. Sep 11, 2012 #1

   sitia

   

   1. The problem statement, all variables and given/known data
   
   Solve the limit: lim n→∞ (√(n^2+1) - n)
   
   2. Relevant equations
   
   
   
   3. The attempt at a solution
   
   I am very lost on how to start so I do not have anything

    

   sitia, Sep 11, 2012
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3. Sep 11, 2012 #2

   Dick

   

   Science Advisor

   Homework Helper

   Multiplying by 1 in the form of (sqrt(n^2+1)+n)/(sqrt(n^2+1)+n) is probably the easiest way to go. There's other ways to do it. Try that one first.

    

   Dick, Sep 11, 2012
4. Sep 11, 2012 #3

   206PiruBlood

   

   Have you tried multiplying by the conjugate?
   
   edit: too slow.

    

   206PiruBlood, Sep 11, 2012

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