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1984 USAMO Problems/Problem 5

Revision as of 11:40, 18 July 2016 by 1=2 (talk | contribs) (Created page with "== Problem == <math>P(x)</math> is a polynomial of degree <math>3n</math> such that <cmath>\begin{eqnarray*} P(0) = P(3) = \cdots &=& P(3n) = 2, \\ P(1) = P(4) = \cdots &=& P...")
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Problem

$P(x)$ is a polynomial of degree $3n$ such that

\begin{eqnarray*} P(0) = P(3) = \cdots &=& P(3n) = 2, \\ P(1) = P(4) = \cdots &=& P(3n-2) = 1, \\ P(2) = P(5) = \cdots &=& P(3n-1) = 0, \quad\text{ and }\\ && P(3n+1) = 730.\end{eqnarray*}

Determine $n$.

Solution

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See Also

1984 USAMO (Problems • Resources)
Preceded by
Problem 4 		Followed by
Last Question
1 • 2 • 3 • 4 • 5
All USAMO Problems and Solutions

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