Hot Questions - Stack Exchange3d agoProving exact formula of a coefficient – math.stackexchange.comuser582761Let Pn(X)=∏μ1,…,μn∈{±1}μ1⋯μn=1(X−∑k=1nμkekπi/n)P_n(X)=\prod_{\substack{\mu_1,\dots,\mu_n\in\{\pm1\}\\ \mu_1\cdots \mu_n=1}} \left( X-\sum_{k=1}^n \mu_k e^{k\pi i/n} \right)Pn(X)=μ1,…,μn∈{±1}μ1⋯μn=1∏(X−k=1∑nμkekπi/n) be a polynomial of degree d=2n−1d=2^{n-1}d=2n−1. Let cn′′c_n''cn′′ be the ...Read at Hot Questions - Stack ExchangeTagsalgebramathematics
