Question

e^log x =x. How?

Answer 1

You mean \(e^{\ln x}=x\)?

Answer 2

exactly..

Answer 3

Because we define \(\ln x\) as the inverse of \(e^x\) function.

Answer 4

Not quite
Two functions \(f(x),g(x)\) are inverse to each other if
\(f(g(x))=x \) and \(g(f(x))=x\)