What is the value of $f'(x)$ at $c$, when $f(x) = \log_x c = e$?
(I understand the answer could be $1/e$) but am unable to substantiate the reasoning. Can someone please help me take the approach?
Thanks.
What is the value of $f'(x)$ at $c$, when $f(x) = \log_x c = e$?
(I understand the answer could be $1/e$) but am unable to substantiate the reasoning. Can someone please help me take the approach?
Thanks.