Results 1 to 2 of 2

Thread: Radius of convegence

  1. #1
    VkL
    VkL is offline
    Member
    Joined
    Oct 2008
    Posts
    96

    Radius of convegence

    Use the ratio test to find the radius of the convergence of the power series.



    How do I start this? I need to find a common expression first?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    skeeter's Avatar
    Joined
    Jun 2008
    From
    North Texas
    Posts
    15,078
    Thanks
    3172
    Quote Originally Posted by VkL View Post
    Use the ratio test to find the radius of the convergence of the power series.



    How do I start this? I need to find a common expression first?
    nth term is \frac{(2n+1)x^n}{n}

    now use the ratio test, setting the limit to be less than 1
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 1
    Last Post: Nov 13th 2009, 07:42 AM
  2. series convegence
    Posted in the Calculus Forum
    Replies: 1
    Last Post: Apr 1st 2009, 06:19 AM
  3. convegence question..
    Posted in the Calculus Forum
    Replies: 2
    Last Post: Dec 10th 2008, 02:00 PM
  4. combine convegence question..
    Posted in the Calculus Forum
    Replies: 3
    Last Post: Dec 4th 2008, 03:07 PM
  5. Replies: 2
    Last Post: Oct 30th 2007, 08:09 AM

Search Tags


/mathhelpforum @mathhelpforum