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PEN H Problems
15
H 15
H 15
Source:
May 25, 2007
factorial
number theory
Diophantine Equations
pen
Problem Statement
Prove that there are no integers
x
x
x
and
y
y
y
satisfying
x
2
=
y
5
ā
4
x^{2}=y^{5}-4
x
2
=
y
5
ā
4
.
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