Are the square roots of all positive integers irrational? If not, give an example of the square root of a number that is a rational number.

Are the square roots of all positive integers irrational? If not, give

1.	Are the square roots of all positive integers irrational? If not, give an example of the square root of a number that is a rational number.
Answer» Are the square roots of all positive integers irrational? If not, give an example of the square root of a number that is a rational number.