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Mathematics
Mathematics
Problem
If
h
(
x
)
=
2
x
3
−
4
sin
x
+
7
h(x)=2x^{3}-4\sin x+7
h
(
x
)
=
2
x
3
−
4
sin
x
+
7
, find
h
′
(
π
2
)
h'\!\left(\dfrac{\pi}{2}\right)
h
′
(
2
π
)
.
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