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: Find LIMIT n→∞ Xn!

  1. Sep 17, 2009 #1
    Consider the sequence xn in which xn = 1/2(xn−1 + (3/xn-1) and x1 = a
    (a not equals 0). Find lim n →∞ xn
     
  2. jcsd
  3. Sep 17, 2009 #2
    If you do not need to show that the limit actually exists, then you can go straight to finding it algebraically. Notice that the lim x_n is the same as lim x_(n-1) (as n tends to infinite). You can use this to find your limit.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook