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 Topic: sum of squares
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 Sum and difference of squares 2011-12-31 From Anne:Se x e y são números reais distintos, então: a) (x^2 + y^2) / (x - y) = x + y b) (x^2 + y^2) / (x - y) = x - y c) (x^2 - y^2) / (x - y) = x + y d) (x^2 - y^2) / (x - y) = x - y e) Nenhuma das alternativas anteriores é verdadeira.Answered by Harley Weston. Factoring x^2 + 729 2008-08-19 From peter:hello I,am having trouble factorising a polynomial into polynomial factors with real coefficients please can you help the polynomial is x^2+729Answered by Harley Weston. The sum of the squares of 13 consecutive positive integers 2000-08-25 From Wallace:Prove that it is not possible to have the sum of the squares of 13 consecutive positive integers be a square.Answered by Harley Weston.

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