Results 1 to 2 of 2

Thread: For what values of x will the fol owing infinite geometric sequence series...

  1. Jul 18th 2010, 06:36 PM #1
    qkqh
    qkqh is offline
    Newbie
    Joined
    Jul 2010
    Posts
    3

    For what values of x will the fol owing infinite geometric sequence series...

    have a finite sum
    (x+1) + (x+1)^2 + (x+1)^3 +....
    Follow Math Help Forum on Facebook and Google+
  2. Jul 18th 2010, 06:59 PM #2
    eumyang
    eumyang is offline
    Senior Member eumyang's Avatar
    Joined
    Jan 2010
    Posts
    278
    Thanks
    1
    Geometric series converges if |r| < 1 (where r is the common ratio). Plug in x + 1 for r...
    |x + 1| < 1
    ...and solve for x.
    Follow Math Help Forum on Facebook and Google+
« Indices question! | Translation of a 2x2 matrix »

Similar Math Help Forum Discussions

  1. [SOLVED] infinite geometric series
    Posted in the Pre-Calculus Forum
    Replies: 1
    Last Post: Dec 6th 2011, 10:40 AM
  2. 2 Infinite Geometric Sequence Problems
    Posted in the Algebra Forum
    Replies: 4
    Last Post: Sep 21st 2010, 12:46 AM
  3. Infinite & Geometric Series
    Posted in the Calculus Forum
    Replies: 4
    Last Post: Nov 17th 2009, 09:18 PM
  4. Infinite geometric sequence question
    Posted in the Pre-Calculus Forum
    Replies: 3
    Last Post: Jul 26th 2008, 10:11 AM
  5. Arithmetic sequence, geometric sequence, & geometric series
    Posted in the Algebra Forum
    Replies: 2
    Last Post: Jan 23rd 2007, 08:47 AM

Search Tags


/mathhelpforum @mathhelpforum