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6 December, 07:02

Explain how you can determine whether or not a number is rational

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  1. 6 December, 07:11
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    The easiest way to tell if a number is rational or not is to attempt to express it as a fraction. If you can, then the number is rational. If not, then the number is irrational. All integers are rational numbers, because they can be written as a fraction (for example, the integer 8 = 8/1). But numbers like pi or sqrt (2) cannot be written as a fraction and are not rational.
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