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Proof of a Conjecture of Lewis Carroll

by Norbert Hungerbuhler (ETH Zentrum, Switzerland)

This article originally appeared in:
Mathematics Magazine
June, 1996

Subject classification(s): Number Theory
Applicable Course(s): 4.3 Number Theory

Can one find three distinct right triangles, each having integral sides, all having the same area? Carroll conjectured an answer of yes; he was right.

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Capsule Course Topic(s):
Number Theory | Diophantine Problems, Pythagorean Triples
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