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Mathematics
Mathematics
Problem
Calculate
f
′
(
0
)
f'(0)
f
′
(
0
)
for
f
(
x
)
=
5
x
x
2
+
1
+
2
x
sin
x
f(x)=\dfrac{5x}{x^{2}+1}+2x\sin x
f
(
x
)
=
x
2
+
1
5
x
+
2
x
sin
x
. a)
7
7
7
b)
0
0
0
c)
5
5
5
d)
−
5
-5
−
5
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