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Mathematics
Mathematics
Problem
For
f
(
x
)
=
sin
x
x
+
1
f(x)=\dfrac{\sin x}{x+1}
f
(
x
)
=
x
+
1
sin
x
, calculate
f
′
′
(
0
)
f''(0)
f
′′
(
0
)
.
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