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Mathematics
Problem
The differential coefficient of
f
(
log
a
x
)
f(\log_a x)
f
(
lo
g
a
x
)
w.r.t.
x
x
x
, where
f
(
x
)
=
log
a
x
f(x) = \log_a x
f
(
x
)
=
lo
g
a
x
, is a.
x
log
a
x
\frac{x}{\log_a x}
l
o
g
a
x
x
b.
−
1
x
log
a
x
-\frac{1}{x} \log_a x
−
x
1
lo
g
a
x
c.
1
x
log
a
x
\frac{1}{x \log_a x}
x
l
o
g
a
x
1
d. None of these
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