Question Number 50373 by prof Abdo imad last updated on 16/Dec/18
$${decompose}\:{in}\:{prime}\:{factors}\:{the}\:{polynom} \\ $$$${p}={x}^{\mathrm{2}{n}} −\mathrm{2}{cos}\alpha\:{x}^{{n}} \:+\mathrm{1} \\ $$
decompose-in-prime-factors-the-polynom-p-x-2n-2cos-x-n-1-