Q f(x) = -1+kx+k neither touches nor intersects f(x) = log x, then the minm value of k∈is a - Maths - Application of Derivatives

Question

Q f(x) = -1+kx+k neither touches nor intersects f(x) = log x, then
the m i n m value of k ∈ is
a   1 e , 1 e     b   e , e 2    
  c   1 e , e         d   n o n
e   o f   t h e s e

Chat_4 · Accepted Answer

Q. f(x) = -1+kx+k neither touches nor intersects f(x) = log x, then the m i n m value of k ∈ is a . 1 e , 1 e b . e , e 2 c . 1 e , e d . n o n e o f t h e s e

Q. f(x) = -1+kx+k neither touches nor intersects f(x) = log x, then the $m i n^{m}$ value of k $\in$ is
$a . (\frac{1}{e}, \frac{1}{\sqrt{e}}) b . (e, e^{2}) c . (\frac{1}{\sqrt{e}}, e) d . n o n e o f t h e s e$