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13-08-2017
Mathematics

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one of the factors of 1331x^3-8y^3

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apologiabiology apologiabiology

13-08-2017

difference of 2 perfect squares

remember
[tex]a^3-b^3=(a-b)(a^2+ab+b^2)[/tex]
so
[tex](11x)^3-(2y)^3=(11x-2y)(121x^2+22xy+4y^2)[/tex]

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