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Derivatives
medium
0:00.0
Evaluate
d
d
x
[
x
x
+
1
]
\frac{d}{dx} [\frac{x}{x+1}]
d
x
d
[
x
+
1
x
]
at
x
=
1
x=1
x
=
1
.
A
1/4
B
1/2
C
1
D
0
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