Polynomial NT

Compute the degree of the least common multiple of the polynomials x 1 , x 2 1 , x 3 1 , . . . , x 10 1. x-1,x^2-1, x^3-1, ..., x^{10}-1. This is not original.


The answer is 32.

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1 solution

Lu Chee Ket
Feb 9, 2015

(x - 1)(x + 1)(x^2 + 1)(x^2 - x + 1)(x^2 + x + 1)(x^4 + 1)(x^4 - x^3 + x^2 - x + 1)(x^4 + x^3 + x^2 + x + 1)(x^6 + x^3 + 1)(x^6 + x^5 + x^4 + x^3 + x^ 2 + x + 1)

1 + 1 + 2 + 2 + 2 + 4 + 4 + 4 + 6 + 6 = 32

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