d/dx (log e 99x) =

Question

\(\frac d{dx} (log_e99x) = \)

(A) \(\frac 1{99x}\)

(B) \(\frac {99}x\)

(C) \(\frac 1x\)

(D) 99x

Answer 1

Correct option is (C) \(\frac 1x\)

\(\frac d{dx} (log_e99x) \)

\(= \frac 1{99x} \times 99\)

\(= \frac 1x\)