I'm trying to answer questions regarding infima and suprema but I am not sure on how to answer this question. It goes like this:
Let { }. Prove that A is unbounded and that sup(A)=1.
I have rewritten this as:
{ }
So that the n-th term is
I am not sure if I needed to find the n-th term but I am not sure what I can do with this question?
EDIT I have solved this question now so no need for an answer. Thanks.