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2012 preRMO p19, x^2+y^2-2xy-2x-4y-8=0 in ZxZ
2012 preRMO p19, x^2+y^2-2xy-2x-4y-8=0 in ZxZ
Source:
June 17, 2019
number theory
Diophantine equation
Problem Statement
How many integer pairs
(
x
,
y
)
(x,y)
(
x
,
y
)
satisfy
x
2
+
4
y
2
−
2
x
y
−
2
x
−
4
y
−
8
=
0
x^2+4y^2-2xy-2x-4y-8=0
x
2
+
4
y
2
−
2
x
y
−
2
x
−
4
y
−
8
=
0
?
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