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Problems
Contests
National and Regional Contests
Germany Contests
QEDMO
2005 QEDMO 1st
4 (Z1)
4 (Z1)
Part of
2005 QEDMO 1st
Problems
(1)
X³+2y³+5z³=0
Source: QEDMO 2005
11/8/2005
Solve the equation
x
3
+
2
y
3
+
5
z
3
=
0
x^3+2y^3+5z^3=0
x
3
+
2
y
3
+
5
z
3
=
0
in integers.
geometry
3D geometry