Results 1 to 3 of 3

Math Help - Divergence/convergence

  1. #1
    Newbie
    Joined
    Apr 2010
    From
    Home of country music
    Posts
    22

    Divergence/convergence

    \sum _{k=1}^{\infty }{\frac {{5}^{k}}{{3}^{k}+{4}^{k}}}

    I'm thinking this is a geometric, but I can't seem to reorder it. Any tips on what I should do?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Senior Member
    Joined
    Feb 2010
    Posts
    422
    {5^k\over 3^k + 4^k} \ge {5^k\over 4^k+4^k}
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Newbie
    Joined
    Apr 2010
    From
    Home of country music
    Posts
    22
    Ahh, thank you! That worked out very nicely.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Convergence or divergence
    Posted in the Calculus Forum
    Replies: 1
    Last Post: May 22nd 2010, 05:45 AM
  2. convergence and divergence
    Posted in the Calculus Forum
    Replies: 1
    Last Post: March 1st 2010, 01:03 PM
  3. convergence or divergence
    Posted in the Calculus Forum
    Replies: 1
    Last Post: September 23rd 2009, 05:42 PM
  4. convergence and divergence
    Posted in the Calculus Forum
    Replies: 2
    Last Post: July 21st 2008, 12:23 AM
  5. Convergence / Divergence
    Posted in the Calculus Forum
    Replies: 8
    Last Post: April 6th 2008, 07:51 AM

Search Tags


/mathhelpforum @mathhelpforum