mPEC Forum

ลิงก์ที่น่าสนใจ => ลิงก์คณิตศาสตร์ => Topic started by: psaipetc on February 27, 2007, 03:14:41 PM



Title: A very short proof that the positive square root of two is irrational
Post by: psaipetc on February 27, 2007, 03:14:41 PM
http://blog.plover.com/math/sqrt-2-new.html

Tom Apostol (http://en.wikipedia.org/wiki/Tom_Apostol) is one of the two best math teachers I have ever had.  The other is Ajarn Sakont Pongputakun.


Title: Re: A very short proof that the positive square root of two is irrational
Post by: kaktisiat on March 25, 2007, 07:44:50 AM
Ingenious! :D