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Yes. The square root of a positive integer can ONLY be either:* An integer (in this case, it isn't), OR

* An irrational number.

The proof is basically the same as the proof used in high school algebra, to prove that the square root of 2 is irrational.

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7y ago

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7y ago

Yes.

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Q: Is the square root of a 143 a irrational number?
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