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. - Mathematics

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.

Solution

No, For example sqrt4 = 2  is a rational number.

Concept: Concept of Irrational Numbers
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APPEARS IN

NCERT Class 9 Maths
Chapter 1 Number Systems
Exercise 1.2 | Q 2 | Page 8