Possible Duplicate:
$a^{1/2}$ is either an integer or an irrational number
I know how to prove $\sqrt 2$ is an irrational number. Who can tell me that why $\sqrt 3$ is a an irrational number?
Possible Duplicate:
$a^{1/2}$ is either an integer or an irrational number
I know how to prove $\sqrt 2$ is an irrational number. Who can tell me that why $\sqrt 3$ is a an irrational number?