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Taiwan National Olympiad
1999 Taiwan National Olympiad
1
integer equation
integer equation
Source: 8-th Taiwanese Mathematical Olympiad 1999
January 20, 2007
number theory proposed
number theory
Problem Statement
Find all triples
(
x
,
y
,
z
)
(x,y,z)
(
x
,
y
,
z
)
of positive integers such that
(
x
+
1
)
y
+
1
+
1
=
(
x
+
2
)
z
+
1
(x+1)^{y+1}+1=(x+2)^{z+1}
(
x
+
1
)
y
+
1
+
1
=
(
x
+
2
)
z
+
1
.
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