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Mathematics
Mathematics
Problem
The number of critical points of the function
f
(
x
)
=
(
x
−
2
)
2
/
3
(
2
x
+
1
)
f(x) = (x - 2)^{2/3}(2x + 1)
f
(
x
)
=
(
x
−
2
)
2/3
(
2
x
+
1
)
is A 1 B 2 C 0 D 3
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