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Mathematics
Problem
For positive real numbers
x
x
x
and
y
y
y
, determine the minimum value of
(
x
+
2
y
)
(
2
x
+
1
y
)
(x+2y)\left(\dfrac{2}{x}+\dfrac{1}{y}\right)
(
x
+
2
y
)
(
x
2
+
y
1
)
. a)
9
9
9
b)
12
12
12
c)
8
8
8
d)
6
6
6
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