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National and Regional Contests
China Contests
(China) National High School Mathematics League
2006 China Second Round Olympiad
11
2006 China Second Round Olympiad Test 1 #11
2006 China Second Round Olympiad Test 1 #11
Source:
September 28, 2014
Problem Statement
Find the number of real solutions to the equation
(
x
2006
+
1
)
(
1
+
x
2
+
x
4
+
…
+
x
2004
)
=
2006
x
2005
(x^{2006}+1)(1+x^2+x^4+\ldots +x^{2004})=2006x^{2005}
(
x
2006
+
1
)
(
1
+
x
2
+
x
4
+
…
+
x
2004
)
=
2006
x
2005
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