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Mathematics
Problem
Let
k
>
0
k>0
k
>
0
. Find an expression for the average rate of change of
f
(
x
)
=
ln
x
f(x)=\ln x
f
(
x
)
=
ln
x
on the interval
[
k
,
2
k
]
[k,2k]
[
k
,
2
k
]
in terms of
k
k
k
.
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