Euler's four-square identity
Por um escritor misterioso
Descrição
Lagrange's Four-Square Theorem -- from Wolfram MathWorld
PDF) The history of the 2-, 4- and 8-square identities
e^(iπ) + 1 = 0: The Most Beautiful Theorem in Mathematics
PDF) A Simple Proof of Jacobi's Two-Square Theorem
Euler's Formula - Complex Numbers, Polyhedra, Euler's Identity
PPT - Waring's Problem PowerPoint Presentation, free download - ID
1.28: Sum of Squares - Mathematics LibreTexts
Euler Squares
Prove that Euler's four-square identity, Pfister's identity
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