Perhaps someone could explain the last step here for me please...

Find the limit of . Do not use L'Hopital's rule.

Solution;

Since In(1) = 0, we have that,

= = for x =1. (Not quite sure how to do the latex for the way its written in my notes. To the right of the d/dx is a vertical line with x=1 at the bottom.)

And... Im not quite sure how to do the last step there i.e the = bit...

Any help on this?