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Mathematics
Mathematics
Problem
For
f
(
x
)
=
ln
(
x
2
+
1
)
−
x
f(x)=\ln\!(x^{2}+1)-x
f
(
x
)
=
ln
(
x
2
+
1
)
−
x
, determine the
x
x
x
-coordinate(s) of all critical points.
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