How to prove this polynomial has an imaginary root?
112334
Real roots of a polynomial of real co-efficients , with the co-efficients of $x^2 , x$ and the constant term all $1$
118916
How do I prove that a polynomial F[x] of degree n has at most n roots
112900
Eigenvalue of a polynomial evaluated in a operator
128998
Relation between real roots of a polynomial and real roots of its derivative
69618
What is the sum of non-real roots of the polynomial equation?
18702
If $ax^2+(c+b)x+e+d=0$ has real roots greater than $1$, show that $ax^4+bx^3+cx^2+dx+e$ has at least one real root
125096
Minimal polynomial of $\alpha=\sqrt 2e^\frac{2\pi i}{3}$
116204
Polynomial Remainder Question?
99835
Polynomial in $\mathbb{Q}[x]$ with root $\sqrt[3]{2}+\sqrt[3]{3}$
154393
Roots of polynomial with real coefficients appear in conjugate pairs.
76955
Proof the Legendre polynomial $P_n$ has $n$ distinct real zeros
76640
Show that the polynomial $x^3-xy^2+y+1$ is irreducible in $\mathbb{Q}[x,y]$
84466
How to compute the inverse of a polynomial under $GF(2^8)$?
54875
How to prove polynomials with degree $n$ does not form a vector space?
6310
How to prove that exponential grows faster than polynomial?
13656
Prove existence of a real root.
157200
Roots of a equation on a complex plane