1. Sep 27, 2012 #1

   Bashyboy

   

   1. The problem statement, all variables and given/known data
   [itex]a_n = \frac{(2n -1)!}{(2n)^n}[/itex]
   
   
   2. Relevant equations
   
   
   
   3. The attempt at a solution
   I am not exactly sure how to solve this problem.

    

   Bashyboy, Sep 27, 2012
2. 
   Phys.org - latest science and technology news stories on Phys.org

   • • Game over? Computer beats human champ in ancient Chinese game
   • • Simplifying solar cells with a new mix of materials
   • • Imaged 'jets' reveal cerium's post-shock inner strength
3. Sep 27, 2012 #2

   Ray Vickson

   

   Science Advisor

   Homework Helper

   What are you supposed to do with a_n? Find its limit? Sum it?
   
   RGV

    

   Ray Vickson, Sep 27, 2012
4. Sep 27, 2012 #3

   Bashyboy

   

   Oh, I am sorry that I did not specify. I need to take the limit as n goes to infinity of this sequence.

    

   Bashyboy, Sep 27, 2012
5. Sep 28, 2012 #4

   Bashyboy

   

   Does it seem, to anyone, that I have left any more information out?

    

   Bashyboy, Sep 28, 2012
6. Sep 29, 2012 #5

   ag3287

   

   Hint: Try looking at a bound....what's it greater than, or what's it less than. Then take the limit of that, you should have your answer.

    

   ag3287, Sep 29, 2012

• Log in with Facebook
• Log in with Twitter

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in