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2000 Italy TST
1
Fraction diophantine equation
Fraction diophantine equation
Source: Italy TST 2000
November 21, 2010
number theory proposed
number theory
Problem Statement
Determine all triples
(
x
,
y
,
z
)
(x,y,z)
(
x
,
y
,
z
)
of positive integers such that
13
x
2
+
1996
y
2
=
z
1997
\frac{13}{x^2}+\frac{1996}{y^2}=\frac{z}{1997}
x
2
13
+
y
2
1996
=
1997
z
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