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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. - CBSE Class 9 - Mathematics

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Question

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.

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APPEARS IN

 NCERT Solution for Mathematics Class 9 (2018 to Current)
Chapter 1: Number Systems
Ex. 1.20 | Q: 2 | Page no. 8

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Solution 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. Concept: Irrational Numbers.
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