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Albania Team Selection Test
2009 Albania Team Selection Test
4
4
Part of
2009 Albania Team Selection Test
Problems
(1)
Albania IMO TST 2009 Question 4
Source:
6/4/2010
Find all the natural numbers
m
,
n
m,n
m
,
n
such that
1
+
5
ā
2
m
=
n
2
1+5 \cdot 2^m=n^2
1
+
5
ā
2
m
=
n
2
.
number theory
relatively prime
number theory unsolved
auyesl