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Baltic Way
1998 Baltic Way
3
Solve 2x^2+5y^2=11(xy-11) in N
Solve 2x^2+5y^2=11(xy-11) in N
Source: Baltic Way 1998
June 29, 2010
number theory unsolved
number theory
Problem Statement
Find all positive integer solutions to
2
x
2
+
5
y
2
=
11
(
x
y
ā
11
)
2x^2+5y^2=11(xy-11)
2
x
2
+
5
y
2
=
11
(
x
y
ā
11
)
.
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