Yawen Kuan's answer to Ajx's Junior College 1 H2 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Yawen Kuan
Yawen Kuan's answer
23 answers (A Helpful Person)
1st
Here is the link between the 2 parts. After establishing how x is replaced by e^-x, use solution from first part (x>... Etc, to e^-x>...) Then make x the subject.