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Mathematics
Mathematics
Problem
In the expression
y
=
tan
−
1
(
5
x
2
+
1
)
,
y=\tan^{-1}\!\bigl(\sqrt{5x^{2}+1}\bigr),
y
=
tan
−
1
(
5
x
2
+
1
)
,
state the innermost function of
x
x
x
inside the composition.
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