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Mathematics
Mathematics
Problem
For
f
(
x
)
=
arcsin
(
2
x
1
+
x
2
)
f(x)=\arcsin\!\left(\dfrac{2x}{1+x^{2}}\right)
f
(
x
)
=
arcsin
(
1
+
x
2
2
x
)
, evaluate
f
′
(
0
)
f'(0)
f
′
(
0
)
.
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