Euler's four-square identity: Revision history

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13 August 2010

  • curprev 22:0322:03, 13 August 2010‎ Vipul talk contribs‎ 1,137 bytes +1,137‎ Created page with "==Statement== ===As an identity=== In any commutative unital ring, if <math>a_1,a_2,a_3,a_4,b_1,b_2,b_3,b_4</math> are elements, then: :<math>(a_1^2+a_2^2+a_3^2+a_4^2)(b_1^2+b..."
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