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Diophantine Equations
hard
0:00.0
Determine the number of solutions to
x
2
+
y
2
=
1
x^2 + y^2 = 1
x
2
+
y
2
=
1
in integers.
A
4
4
4
B
2
2
2
C
1
1
1
D
0
0
0
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