How to determine roots of a complex polynomial
120457
Show that the equation, $x^3+10x^2-100x+1729=0$ has at least one complex root $z$ such that $|z|>12.$
49899
Determine the number of real roots
44296
Solving a cubic polynomial equation.
89003
Finding a trigonometric polynomial
143466
Roots of functions / polynomials
129855
How to find root of derivative of any polynomial/equation?
121373
Elementary Symmetric Polynomials, Roots of cubic polynomials
13353
How do I find the degree of a multivariable polynomial automatically?
69618
What is the sum of non-real roots of the polynomial equation?
37084
Do two distinct level sets determine a non-constant complex polynomial?
116795
Easiest way to extract the coefficient of a polynomial
118916
How do I prove that a polynomial F[x] of degree n has at most n roots
26189
How to find out how many roots of a polynomial is in each quadrant?
152831
When does a complex matrix have a square root?
127056
How to prove that a polynomial of degree $n$ has at most $n$ roots?
74195
Find values of $a$ for which function will have real roots
153480
Roots of a characteristic equation. Can Mathematica solve it?