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Problem
#PRU-5281
Problems
Algebra
Inequalities
10–16
3.0
Problem
For positive real numbers
a
,
b
,
c
prove the inequality:
(
a
2
b
+
b
2
c
+
c
2
a
)
(
a
b
2
+
b
c
2
+
c
a
2
)
≥
9
a
2
b
2
c
2
.
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