Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

How to go from 2*4*6 (2n) to (2^n)n!

  1. Oct 25, 2013 #1
    how would one see the first

    and come up with the second
     
  2. jcsd
  3. Oct 25, 2013 #2

    SteamKing

    User Avatar
    Staff Emeritus
    Science Advisor
    Homework Helper

    Have you tried factoring 2 from 2*4*6*...(2n)?
     
  4. Oct 25, 2013 #3

    Mark44

    Staff: Mentor

    In the product 2 * 4 * 6 * ... * (2n), how many factors are explicitly shown there?
     
  5. Oct 25, 2013 #4

    vanhees71

    User Avatar
    Science Advisor
    2016 Award

    I write it even a bit more explicitly
    [tex]2 \cdot 4 \cdot 6 \cdots (2n)=(2 \cdot 1) \cdot (2 \cdot 2) \cdot (2 \cdot 3) \cdots (2n).[/tex]
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: How to go from 2*4*6 (2n) to (2^n)n!
  1. 2^n Induction (Replies: 2)

  2. Limit n*sin(1/n^2) (Replies: 3)

Loading...