Results 1 to 4 of 4

Math Help - sequences

  1. #1
    Newbie mayta's Avatar
    Joined
    Aug 2008
    From
    Trinidad and Tobago
    Posts
    8

    sequences

    Can anyone determine for me the general term for the sequence

    -3, 2, -5/3, 3/2
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Master Of Puppets
    pickslides's Avatar
    Joined
    Sep 2008
    From
    Melbourne
    Posts
    5,236
    Thanks
    28

    Re: sequences

    Have you tried to find a common difference or ratio?
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Super Member TheChaz's Avatar
    Joined
    Nov 2010
    From
    Northwest Arkansas
    Posts
    600
    Thanks
    2

    Re: sequences

    Quote Originally Posted by mayta View Post
    Can anyone determine for me the general term for the sequence

    -3, 2, -5/3, 3/2
    f(2k -1) = -(2k + 1)/(2k - 1)
    f(2k) = (the kth prime)/k
    for k = 1, 2, 3, ...
    Follow Math Help Forum on Facebook and Google+

  4. #4
    Newbie mayta's Avatar
    Joined
    Aug 2008
    From
    Trinidad and Tobago
    Posts
    8

    Re: sequences

    thanx to everyone. i have figured it out

    [(n+2)(-1)^n]/n
    Last edited by mayta; September 16th 2011 at 06:57 AM.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Convergence in sequences of sequences
    Posted in the Differential Geometry Forum
    Replies: 4
    Last Post: October 19th 2010, 07:28 AM
  2. Sequences and the sequences' arithmetics
    Posted in the Differential Geometry Forum
    Replies: 1
    Last Post: October 6th 2010, 09:31 PM
  3. sequences
    Posted in the Discrete Math Forum
    Replies: 1
    Last Post: January 30th 2010, 03:17 PM
  4. Monotone sequences and Cauchy sequences
    Posted in the Differential Geometry Forum
    Replies: 3
    Last Post: March 21st 2009, 08:59 PM
  5. Replies: 5
    Last Post: January 16th 2008, 04:51 PM

Search Tags


/mathhelpforum @mathhelpforum