The second exam will take place on Tuesday, October 25 from 5:30pm to 7:00pm in Smith Labs 155. It will cover material from sections 2.6, 2.7, 6.1, 6.2, and 6.3 in the text. The test will be closed book, closed notes and no calculators will be allowed. Phones should be turned off for the duration of the test.
Important Definitions/Theorems/Axioms
I will expect you to know how to use all of the definitions and theorems below to prove results similar to those on the homework assignments. You should know precise statements of the definitions and theorems in bold.
Definition 2.6.1 (Cauchy sequence)
Theorem 2.6.4
Definition of a contractive sequence.
Contractive sequences are Cauchy and therefore converge.
Definition 2.7.1 (infinite limits)
Theorem 2.7.5
Definition 6.1.1 (partial sums and convergence of a series)
Theorem 6.1.3
Theorem 6.1.5
The Cauchy Condensation Test
Theorem 6.1.7
Theorem 6.1.11
Corollary 6.1.12
Theorem 6.2.2
Corollary 6.2.3
Theorem 6.2.5
Theorem 6.2.9
The Root Test
Definition 6.3.1
I will ask you to write a complete proof of one of (or one part of) the following theorems: