Results 1 to 2 of 2

Math Help - Convergence of a power series

  1. #1
    Newbie
    Joined
    Nov 2006
    Posts
    10

    Convergence of a power series

    i am totally stumped on this simple problem...

    \sum (x-3)^n

    i just need to find the radius of convergence.

    chadly
    Last edited by Chadly724; November 15th 2006 at 03:53 PM. Reason: different question
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Grand Panjandrum
    Joined
    Nov 2005
    From
    someplace
    Posts
    14,972
    Thanks
    4
    Quote Originally Posted by Chadly724 View Post
    i am totally stumped on this simple problem...

    \sum (x-3)^n

    i just need to find the radius of convergence.

    chadly
    Looks to me as though it is convergent on \{x:\ |x-3|<1\}. Which is
    the intereior of a disc centred at x=3 of radius 1.

    RonL
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. convergence of a power series
    Posted in the Differential Geometry Forum
    Replies: 2
    Last Post: August 22nd 2011, 05:59 AM
  2. Power series convergence
    Posted in the Calculus Forum
    Replies: 9
    Last Post: April 29th 2011, 10:46 AM
  3. Power Series - Convergence and Sum
    Posted in the Calculus Forum
    Replies: 4
    Last Post: March 8th 2010, 03:19 PM
  4. Power Series Convergence
    Posted in the Calculus Forum
    Replies: 1
    Last Post: May 3rd 2009, 07:57 PM
  5. Power series convergence
    Posted in the Calculus Forum
    Replies: 5
    Last Post: December 17th 2007, 01:25 PM

Search Tags


/mathhelpforum @mathhelpforum