Results 1 to 2 of 2

Math Help - Prove that √15 is irrational.

  1. #1
    Junior Member
    Joined
    Jan 2010
    Posts
    50

    Prove that √15 is irrational.

    Question: Prove that √15 is irrational.

    Answer:
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Banned
    Joined
    Oct 2009
    Posts
    4,261
    Quote Originally Posted by feyomi View Post
    Question: Prove that √15 is irrational.

    Answer:

    Hint: mimick Euclides proof for \sqrt{2} choosing an appropiate prime.

    Tonio
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 9
    Last Post: April 6th 2010, 11:12 PM
  2. Replies: 1
    Last Post: February 23rd 2010, 05:54 PM
  3. Replies: 2
    Last Post: February 14th 2009, 12:12 PM
  4. Replies: 7
    Last Post: January 29th 2009, 03:26 AM
  5. proving √q is irrational by contradiction
    Posted in the Discrete Math Forum
    Replies: 4
    Last Post: October 18th 2008, 06:31 PM

Search Tags


/mathhelpforum @mathhelpforum