Homework Statement
I'm trying to solve #1 here:
http://www.student.math.uwaterloo.ca/~math115/Exams/M115.FE.pdf
The problem is:
The Attempt at a Solution
(a) At a=2, the slope is the same. I figure any value but 2 gives unique solutions. But I don't know if this is right.
(b) At...