Question

How do you solve `Ln (Ln(Ln x)) = 0`?

Answer 1

As `y=e^x` is a single valued function defined everywhere on the real axis `a=b <=> e^a = e^b` for every real `a,b`.

Explanation:

`ln(ln(lnx))=0 <=> e^(ln(ln(lnx))) = e^0`

or:

`ln(lnx)) = 1`

and similarly:

`ln(x) = e`

`x= e^e`