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Mathematics
Mathematics
Problem
For
F
(
x
)
=
∫
3
x
x
3
(
t
2
+
1
)
d
t
,
F(x)=\int_{3x}^{x^{3}} \bigl(t^{2}+1\bigr)\,dt,
F
(
x
)
=
∫
3
x
x
3
(
t
2
+
1
)
d
t
,
find
F
′
(
x
)
F'(x)
F
′
(
x
)
.
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