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2017 CMIMC Algebra
3
2017 A3: Quadratic Polynomial Equation
2017 A3: Quadratic Polynomial Equation
Source:
January 29, 2017
quadratics
algebra
polynomial
Problem Statement
Suppose
P
(
x
)
P(x)
P
(
x
)
is a quadratic polynomial with integer coefficients satisfying the identity
P
(
P
(
x
)
)
ā
P
(
x
)
2
=
x
2
+
x
+
2016
P(P(x)) - P(x)^2 = x^2+x+2016
P
(
P
(
x
))
ā
P
(
x
)
2
=
x
2
+
x
+
2016
for all real
x
x
x
. What is
P
(
1
)
P(1)
P
(
1
)
?
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