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International Contests
International Olympiad of Metropolises
2017 IOM
3
3
Part of
2017 IOM
Problems
(1)
Composition of polinomials
Source: IOM 2017 #3
9/5/2017
Let
Q
Q
Q
be a quadriatic polynomial having two different real zeros. Prove that there is a non-constant monic polynomial
P
P
P
such that all coefficients of the polynomial
Q
(
P
(
x
)
)
Q(P(x))
Q
(
P
(
x
))
except the leading one are (by absolute value) less than
0.001
0.001
0.001
.
polynomial
algebra