To:	Entire Course (Officially Enrolled Students Only), Teaching Staff
From:	"Alberto De Sole"
Subject:	correction
CC:
Date:

Dear students,

problem 1, part 2, should be:

Prove or disprove:

(2) If f(x) is non zero for every x and lim_{x->a}f(x)=0, then lim_{x->a}1/f(x)=infinity

(In other words, I don't want you to write, as a counterexample, the function f(x)=0!)

Sorry for the confusion.
Cheers,

Alberto