1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Series: Definitions and Properties problem

  1. Apr 5, 2010 #1
    1. The problem statement, all variables and given/known data
    [PLAIN]http://img528.imageshack.us/img528/7061/37557155.jpg [Broken]

    2. Relevant equations

    3. The attempt at a solution
    i dont understand, what can possibly wrong with this :S
    I checked it so many times over and over but everything seems to be right..
    i dont even have this feeling about any of those that one is might be something else.. im 99.9% sure about everything
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Apr 5, 2010 #2
    This: [itex]\{ a_n \}_{n=1}^m[/itex] is not a series (i.e. not a sum); this is a list of elements (i.e. a sequence).
  4. Apr 5, 2010 #3
    oh i see.. little word messed up my whole answer :/
    thanks man!
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook