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Mathematics
Mathematics
Problem
Compute
h
′
(
1
)
h'(1)
h
′
(
1
)
given
h
(
x
)
=
arctan
(
x
4
+
1
)
h(x)=\arctan\!\bigl(\sqrt{x^{4}+1}\bigr)
h
(
x
)
=
arctan
(
x
4
+
1
)
.
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