Question

The square root of two is a rational number. True or false?

Answer 1

True

Answer 2

Are you guys insane? \(\sqrt{2}\) is as irrational as it gets!\[\]

Answer 3

Yes, \( \sqrt{2} \) is the canonical example of an irrational number. The proof is a classic.

Answer 4

Yes. I was insane. Sorry. Screwing up my terminology in haste.

Answer 5

I got carried away. :P

Answer 6

lol

Answer 7

\( \sqrt{2} = 1.4142135623730950488016887242096980785696718753769 \cdots \) is a non-terminating decimal and so it is irrational, and the proof is covered in every elementary alebra text book.

Answer 8

I always just think real when rational is mentioned. Crazy.

Answer 9

I know. I understand. Trust me. I am not that bad. :)

Answer 10

.. xD

Answer 11

Reference problem: www.spoj.pl/problems/SQRT2/

This brings back some sweet memories, my best score is too 2000000!