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Math Help - Transform into sum of two squares

  1. #1
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    Transform into sum of two squares

    Transform (a^2  + 1)(b^2  + 1)(c^2  + 1) into sum of two squared polynomials.

    Any help?
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  2. #2
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    Try (a*b*c-a-b-c)^2 + (a*b+b*c+c*a - 1)^2.
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  3. #3
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    thx
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