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Mathematics
Problem
Let
f
(
x
)
=
x
3
g
(
2
x
)
f(x)=x^{3}g(2x)
f
(
x
)
=
x
3
g
(
2
x
)
, where
g
g
g
is differentiable. Express
f
′
(
x
)
f'(x)
f
′
(
x
)
in terms of
g
g
g
and
g
′
g'
g
′
.
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