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National and Regional Contests
Moldova Contests
Chisinau City MO
1975 Chisinau City MO
92
92
Part of
1975 Chisinau City MO
Problems
(1)
Chisinau MO p92 1975 R1 IX x^2-y^2=105
Source:
3/16/2021
Solve in natural numbers the equation
x
2
ā
y
2
=
105
x^2-y^2=105
x
2
ā
y
2
=
105
.
number theory
Diophantine equation
diophantine