How do we take (something) $(mod~(3, x^{n-1}+x^{n-2}+...+1))$ and what is a normative canonical representative of a polynomial?
4435
What does $\!\bmod(n,x^r-1)$ mean? [in AKS primality test]
29979
When is $-3$ a quadratic residue mod $p$?
4129
Solvability of $a \equiv x^2 \mod b$
138459
Norm and Algebraic Integers
75120
Polynomial arithmetic uses coefficient ring arithmetic
7043
mod [= remainder] operation (and relation), name and meaning
9422
Computing the Galois group of polynomials $x^n-a \in \mathbb{Q}[x]$
19071
solution set for congruence $x^2 \equiv 1 \mod m$
137669
$P$ is a monic polynomial of degree $n$ , then which are correct?
133384
Question regarding to canonical factorization of $n!$?
139190
What are the coefficients of the polynomial inductively defined as $f_1=(x-2)^2\,\,\,;\,\,\,f_{n+1}=(f_n-2)^2$?
40426
Polynomial degree 3 Equation
120571
What does it mean $a \;\text{mod}\; 1$?
115834
Cubic polynomial with three (distinct) irrational roots
8255
Real polynomials from repunits to repunits ( Putnam 2007 A4)
7199
Suppose that $P(x)$ is a polynomial of degree $n$ such that $P(k)=\dfrac{k}{k+1}$ for $k=0,1,\ldots,n$. Find the value of $P(n+1)$
152
What is $1^k+2^k+\cdots+ (p-1)^k$ modulo $p$? (From Ireland and Rosen).