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Iran MO (2nd Round)
1983 Iran MO (2nd round)
2
The number is irrational - [Iran Second Round 1983]
The number is irrational - [Iran Second Round 1983]
Source:
December 30, 2010
Problem Statement
Prove that the number
x
=
1
+
2
x = \sqrt{1 + \sqrt 2}
x
=
1
+
2
ā
ā
is irrational.
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