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: Multiplicative Inverse proof

  1. Sep 23, 2010 #1
    1. The problem statement, all variables and given/known data
    Show that if and [c] are multiplicative inverses of [a] in [tex]Z_{n}[/tex], then b[tex]\equiv[/tex]c mod n.

    2. Relevant equations

    3. The attempt at a solution
    I'm totally confused on this.
  2. jcsd
  3. Sep 23, 2010 #2
    [a]=1 and [a][c]=1, right?
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook