Irrational number and real number.
In mathematics, all irrational numbers are real numbers, not rational numbers. That is, irrational numbers cannot be expressed as a ratio of two integers. Irrational numbers are a type of real number that cannot be represented as a simple fraction.
It cannot be expressed as a ratio. If N is an irrational number, then N is not equal to p / q. Where p and q are integers and q is not equal to 0. Example: √2, √3, √5, √11, √21, π (Pi) are all unreasonable. An irrational number is a real number that cannot be expressed as a quotient of two integers. That is, p / q. Where p and q are both integers. For example, no integer or fraction is equal to the square root of √2.
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