Question

X
48. What is the differential coefficient of f(log x), where
f(x) = log x?
(a)
FB) (x log x)-1
(log x)
(log x)
(c)
(d) f
​

Answer 1

Answer:

Step-by-step explanation:

Given f(x) = log x

f(log x ) = log log x

Differentiate w.r.t.x

f’(log x ) = (1/ log x)×(1/x)

= 1/x log x