Day 6 in Mat430

Today:

• Announcements
  • Today's activity, and new assignment:

    Mon

    1/25

    Sections 8, "9"

    Read first two sections of chapter 2 (I assume that it's on functions and mappings -- who needs a copy?) p. 25, #1, 2, 3 (justify all! -- answers are given); 6, 7, 9, 10. Due Mon, 2/1.

  • Homework due (p. 11)
  • Sorry, I've not had a chance to grade your first homework yet.

• Section 7: Powers and roots
  • Roots of Unity
  • de Moivre's formula
  • More graphics: graphing regular polygons
  • Principal roots
  • Example:

• Section 8: Topology
  • Neighborhoods
  • Open/Closed/Boundary
  • Accumulation Points
  • Domains
  • Regions