Question

prove that the square root of two is an irrational number

Answer 1

http://www.homeschoolmath.net/teaching/proof_square_root_2_irrational.php

Answer 2

see its already been done :)

Answer 3

this is a boring proof. there are better ones

Answer 4

i like the proof that a person aint gullible :)

Answer 5

well, this is the proof that is usually used... and it's not hard.

Answer 6

yeah but it is mind numbing. even odd blah blah.

Answer 7

btw all proofs are based on method of infinite descent, at least all that i have seen, even if method is hiding. my favorite proof is the picture