Probability of real roots(short way)
3191
Probability for roots of quadratic equation to be real, with coefficients being dice rolls.
154393
Roots of polynomial with real coefficients appear in conjugate pairs.
13656
Prove existence of a real root.
53467
Probability of the union of $3$ events?
20908
How to compute $k$'th roots $\!\bmod n$?
123986
Approach to solve conditional probability
124936
Help with a Probability Proof
17082
Number of real roots of $2 \cos\left(\frac{x^2+x}{6}\right)=2^x+2^{-x}$
83363
Finding the real root of a cubic algebraically
7382
Probability of getting between
74195
Find values of $a$ for which function will have real roots
40439
about a difficult and weird Probability question
143466
Roots of functions / polynomials
128998
Relation between real roots of a polynomial and real roots of its derivative
49899
Determine the number of real roots
50084
Probability that a quadratic polynomial with random coefficients has real roots
43714
Probability that two random numbers are coprime is $\frac{6}{\pi^2}$