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MathematicsMathematics
28 February, 17:11

Why is 21 sqrt root an irrational number?

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  1. 28 February, 17:16
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    Because it cannot be written as a fraction

    Step-by-step explanation:

    The square root of any non-perfect square will always be irrational and cannot be written as a fraction. The sqrt (21) has no repeating digits because its digits go on forever.
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