derivatives: for y=ln(ln(x)), is y'=(1/ln(x))(1/x)?

[jessicalynn211]

would the derivative of ln(ln(x)) be

(1/lnx)*(1/x) ?

 

[des4ij]

yes... because using cahin rule derivative ln(u) is 1/u * u' therefore it is 1/ln(x)*1/x which is same thing as 1/(xlnx)