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Mathematics
Mathematics
Problem
Suppose, the function
f
(
x
)
−
f
(
2
x
)
f(x) - f(2x)
f
(
x
)
−
f
(
2
x
)
has the derivative
5
5
5
at
x
=
1
x = 1
x
=
1
and derivative
7
7
7
at
x
=
2
x = 2
x
=
2
. The derivative of the function
f
(
x
)
−
f
(
4
x
)
f(x) - f(4x)
f
(
x
)
−
f
(
4
x
)
at
x
=
1
x = 1
x
=
1
has the value
10
+
λ
10 + \lambda
10
+
λ
, then the value of
λ
\lambda
λ
is equal to ..... .
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