Question

$\sqrt{2}$
is irrational​

Answer 1

Answer:

Yes, under root 2 is irrational number because it's decimal expansion is non-terminating and non-repeating.

Answer 2

Answer:

yes

Step-by-step explanation:

Because √2 is not an integer (2 is not a perfect square), √2 must therefore be irrational. This proof can be generalized to show that any square root of any natural number that is not the square of a natural number is irrational.