Question

Which of the following is an irrational no root 2,root 3, root 4, 0

Answer 1

1. $\sqrt{2}$

It's irrational number because its decimal form is non repeating non terminating.

2. $\sqrt{3}$

It's irrational number because its decimal form is non repeating non terminating.

3. $\sqrt{4}$

$= \sqrt{2 \times 2}$

= 2

It's rational number because because it is in the form of $\dfrac{p}{q}$ where p and q are co prime integers and q ≠ 0.

4. 0

$= \dfrac{0}{1}$

It's rational number because because it is in the form of $\dfrac{p}{q}$ where p and q are co prime integers and q ≠ 0.

Thanks !