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derivative of ln(9x)
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d
dx
(
ln
(
9
x
)
)
=
1
x
Show Steps
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d
dx
(
ln
(
9
x
)
)
=
1
x
steps
d
dx
(
ln
(
9
x
)
)
show steps
Apply
the
chain
rule
:
1
9
x
d
dx
(
9
x
)
=
1
9
x
d
dx
(
9
x
)
show steps
d
dx
(
9
x
)
=
9
=
1
9
x
·
9
show steps
Simplify
1
9
x
·
9
:
1
x
=
1
x
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