The irrational number is the square root of 3. (option 3).
An irrational number is a number that cannot be expressed as the quotient of two integers. On the other hand, a rational number is a number that can be expressed as a fraction of two integers
The square root of 3 is an irrational number because it cannot be expressed as the quotient of two numbers. The square root of 3 is also known as the Theodorus' constant. It is named after Theodorus of Cyrene the person who proved its an irrational number.
The square root of 49 and 23 are rational numbers because they can be expressed as the quotient of 7 and 11.5 respectively.
To learn more about rational numbers, please check: https://brainly.com/question/20435423
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