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49
Swithcing coefficients give integer roots [ILL 1977]
Swithcing coefficients give integer roots [ILL 1977]
Source:
January 11, 2011
number theory proposed
number theory
Problem Statement
Find all pairs of integers
(
p
,
q
)
(p,q)
(
p
,
q
)
for which all roots of the trinomials
x
2
+
p
x
+
q
x^2+px+q
x
2
+
p
x
+
q
and
x
2
+
q
x
+
p
x^2+qx+p
x
2
+
q
x
+
p
are integers.
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