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Irrational Square Roots

Michał Misiurewicz
The College Mathematics Journal
Vol. 44, No. 1 (January 2013), pp. 53-55
DOI: 10.4169/college.math.j.44.1.053
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Page Count: 3
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Irrational Square Roots
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Summary If students are presented the standard proof of irrationality of √2, can they generalize it to a proof of the irrationality of √p, p a prime if, instead of considering divisibility by p, they cling to the notions of even and odd used in the standard proof?

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