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Derivatives
medium
0:00.0
Given
f
(
x
)
=
x
2
+
1
x
f(x) = \frac{x^2+1}{x}
f
(
x
)
=
x
x
2
+
1
, what is
f
′
(
1
)
f'(1)
f
′
(
1
)
?
A
0
0
0
B
1
1
1
C
2
2
2
D
−
1
-1
−
1
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