Have a go at the limit in the link, quite difficult conceptually. The aim is to find all a and b such that the limit exists and is finite.
Hint: the answer you get should be in the form of inequalities.
Very interested to see how you guys will go.
Has anyone received an offer to the undergraduate MBBS interview at Bond? Don't think I actually want to go there but thinking of going to the interview purely for the purpose of practising for the post-grad interview at USYD. Opinions?