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1953 Moscow Mathematical Olympiad
236
MMO 236 Moscow MO 1953 (n^2 + 8n + 15) not divisible by (n + 4)
MMO 236 Moscow MO 1953 (n^2 + 8n + 15) not divisible by (n + 4)
Source:
August 9, 2019
number theory
divisible
Problem Statement
Prove that
n
2
+
8
n
+
15
n^2 + 8n + 15
n
2
+
8
n
+
15
is not divisible by
n
+
4
n + 4
n
+
4
for any positive integer
n
n
n
.
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