[" 2.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 root of all positive integers irrational ? If no, give an example of the square root of a number that is a rational numebr.

Are the square roots of all positive irrational? If no, give examples.

Are the cube roots of all positive irrational? If no, give examples.

The square root of a negative number is irrational.

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

Are the cube roots of every positive irrational ? If no, give two examples.

Square root of rational nos

Give an example of two irrational numbers whose difference is a rational number.