cbd This document is distributed under a Creative Commons Attribution No Derivatives (CC BY-ND) license – you are free to copy, distribute and transmit the work, on the conditions that you attribute the work to the original authors (but not in any way...Creative Commons Attribution No Derivatives (Cc by-Nd) License • February 10th, 2021
Here the technique of partial fractions is used to rewrite series as telescoping sums. Either the student is expected to generalise for themselves, and to extract if not abstract a technique, or the teacher is expected to draw student attention to this. Although any mathematician would expect students to make this generalisation and reach this abstraction for themselves, it would be perfectly possible for a student to do all of question 5 successfully without actually becoming aware of an underlying structural technique.
