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2010 Stanford Mathematics Tournament
21
21
Part of
2010 Stanford Mathematics Tournament
Problems
(1)
SMT 2010 General #21
Source:
2/11/2012
How many non-negative integer solutions are there for
x
4
ā
2
y
2
=
1
x^4-2y^2=1
x
4
ā
2
y
2
=
1
?