How can one rewrite $1+x^2+x^4+x^8+\cdots x^{2^n}$ as a product of cyclotomic polynomials? more general how can we express $1+x^p+\cdots+x^{p^n}$, where $p$ is a prime, in term of product of cyclotomic polynomials?
2026-03-26 04:31:37.1774499497
elementary properties of cyclotomic polynomials
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