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Tournament Of Towns
1987 Tournament Of Towns
(132) 1
TOT 132 1987 Spring Train J1 3(1+a^2+a^4) \ge (1+a+a^2)^2
TOT 132 1987 Spring Train J1 3(1+a^2+a^4) \ge (1+a+a^2)^2
Source:
April 17, 2020
inequalities
algebra
Problem Statement
Prove that for all values of
a
a
a
,
3
(
1
+
a
2
+
a
4
)
≥
(
1
+
a
+
a
2
)
2
3(1+a^2+a^4) \ge (1+a+a^2)^2
3
(
1
+
a
2
+
a
4
)
≥
(
1
+
a
+
a
2
)
2
.
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