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Mathematics
Mathematics
Problem
Let
f
(
x
)
=
x
2
+
1
f(x)=\sqrt{x^{2}+1}
f
(
x
)
=
x
2
+
1
. Write the limit that defines
f
′
(
0
)
f'(0)
f
′
(
0
)
and evaluate this limit to find the value of
f
′
(
0
)
f'(0)
f
′
(
0
)
.
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