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

Question

anonymous · Answer

True

across · Answer

Are you guys insane? $\sqrt{2}$ is as irrational as it gets!

jamesj · Answer

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

anonymous · Answer

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

across · Answer

I got carried away. :P

anonymous · Answer

lol

anonymous · Answer

$ \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.

anonymous · Answer

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

anonymous · Answer

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

anonymous · Answer

.. xD

anonymous · Answer

Reference problem: www.spoj.pl/problems/SQRT2/ 

This brings back some sweet memories, my best score is too 2000000!