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Mathematics
Mathematics
Problem
If
f
(
x
)
=
2010
x
+
163
165
x
−
2010
,
x
>
0
and
x
≠
2010
165
f(x) = \frac{2010x + 163}{165x - 2010}, x > 0 \text{ and } x \ne \frac{2010}{165}
f
(
x
)
=
165
x
−
2010
2010
x
+
163
,
x
>
0
and
x
=
165
2010
, the least value of
f
(
f
(
x
)
)
+
f
(
f
(
4
x
)
)
f(f(x)) + f\left(f\left(\frac{4}{x}\right)\right)
f
(
f
(
x
))
+
f
(
f
(
x
4
)
)
is
…
…
…
…
…
\dots\dots\dots\dots\dots
……………
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