3 articles trouvés pour ce sujet.
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Sum and difference of squares |
2011-12-31 |
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Anne pose la question :
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.
Harley Weston lui répond. |
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Factoring x^2 + 729 |
2008-08-19 |
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peter pose la question :
hello I,am having trouble factorising a polynomial into polynomial factors
with real coefficients please can you help the polynomial is x^2+729
Harley Weston lui répond. |
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The sum of the squares of 13 consecutive positive integers |
2000-08-25 |
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Wallace pose la question :
Prove that it is not possible to have the sum of the squares of 13 consecutive positive integers be a square.
Harley Weston lui répond. |
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