Roots of unity polynomial
23919
Trying to evaluate $\prod_{k=1}^{n-1}(1-e^{2k\pi i/n})$ for my complex analysis homework
96592
Showing that the roots of a polynomial with descending positive coefficients lie in the unit disc.
86882
Proving Gauss' polynomial theorem (Rational Root Test)
34709
Complex numbers - roots of unity
157487
Showing a polynomial having at least one integer root under certain conditions has precisely one integer root
125096
Minimal polynomial of $\alpha=\sqrt 2e^\frac{2\pi i}{3}$
68458
Roots of unity and large expression
109760
Showing that the product of all $n$th Roots of Unity is $(-1)^{n+1}$
118916
How do I prove that a polynomial F[x] of degree n has at most n roots
90273
Primitive roots of the unity in $\mathbb C$
120933
A is similar to $A^k$, then each eigenvalue of $A$ is a root of unity
150822
Finding $\sum_{k=0}^{n-1}\frac{\alpha_k}{2-\alpha_k}$, where $\alpha_k$ are the $n$-th roots of unity
41193
Number of integral roots of a polynomial
14836
A polynomial sequence
116360
Sum of n-th roots of unity
141983
Complex polynomial of degree $n$
62134
Show that if $ R $ is an integral domain then a polynomial in $ R[X] $ of degree $ d $ can have at most $ d $ roots