Question

is √2 rational number​

Answer 1

No, $\sqrt{2}$ is not a rational number.

Explanation.

The numbers which are not expressible in the form $\dfrac{a}{b}$ where $a,b$ are integers with $b\neq 0$, are called Irrational Numbers.

Example, $\sqrt{2},\sqrt{3},\sqrt{5}$ etc.

Answer 2

Answer:

The number which are not expressible in the form a/b where a ,b are integers with b = 0 are called irrational numbers.