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!

Approximate solution for square root of sum of squares

  1. Jun 18, 2012 #1
    1. The problem statement, all variables and given/known data

    If X^2=Sqrt(x1^2+x2^2+x3^2+...)=> X?

    and vice versa
    If X=x1+x2+x3+...=> X^2?


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Jun 18, 2012 #2

    tiny-tim

    User Avatar
    Science Advisor
    Homework Helper

    welcome to pf!

    hi mrafiee! welcome to pf! :smile:

    (try using the X2 and X2 buttons just above the Reply box :wink:)

    hint: factor out the largest one (say, x2), and then it's x2(1 + something) :smile:
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: Approximate solution for square root of sum of squares
  1. Square root (Replies: 4)

  2. Square Root (Replies: 0)

Loading...