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Q.

Choose whether the statement is true or false:


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.


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a

True

b

False 

answer is B.

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Detailed Solution

The square roots of all positive integers are not irrational numbers.
For example, √4 = ± 2 which indicates that either 2 or -2 can be the square root of 4.
We see that both 2 and -2 are rational numbers because they can be expressed as 2/1 and -2/1 respectively.
Hence, the given statement is false.
Hence (2) is the correct option.
 
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