Find f′(x)f'(x)f′(x) for f(x)=ln(lnx)f(x) = \ln(\ln x)f(x)=ln(lnx).
1/(xlnx)1 / (x \ln x)1/(xlnx)
1/lnx1 / \ln x1/lnx
1/x1 / x1/x
exe^xex