Pythagorean quadruple

 

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Pythagorean quadruple

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Pythagorean quadruple (plural Pythagorean quadruples)

1. (mathematics) A set of three positive integers a, b, c, and d, for which ${\displaystyle a^{2}+b^{2}+c^{2}=d^{2}}$ 

• Pythagorean triple