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Mathematics
Mathematics
Problem
Prove that the function
f
(
x
)
=
ln
(
x
3
+
x
6
+
1
)
f(x) = \ln(x^3 + \sqrt{x^6 + 1})
f
(
x
)
=
ln
(
x
3
+
x
6
+
1
)
is entirely increasing.
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