Assignments: Week #7
Reading: 
 Monday: Section 4.2. (Also see posted notes on Determinants, section 5.2 Cofactor Expansion  Introduction.)

Wednesday: Section 4.2. (Also see posted notes on Determinants, section 5.3 The Laplace Expansion Formula.)

Friday: Section 4.2. (Also see posted notes on Determinants, section 5.3 The Laplace Expansion Formula.)

Exercises:


Wednesday: WeBWorK: Week #7  Online Assignemnt

Friday: Week #7  Written Assignment
 Section 3.1 #26.
 Prove Proposition 5.5: The determinant is a linear function of each row of a matrix, when the other rows are held constant. (Write it out the way I did with the proof of Proposition 5.)
 Prove Proposition 7: If A is a triangular matrix (upper triangular or lower triangular) then det(A) is the product of the entries on the main diagonal. (Use row operations and properties of the determinant.)
 Section 4.2 #56.
 Section 4.2 #69.


Homework assignments may be turned in before or after class on the due day, or
may
be placed in your TA's mailbox before 3:20pm on that day. The TA's
mailboxes are in the Math Department office, WEH 6113.
Please make sure your homework
includes the following:
 Your name (on every page if you ignore #4.),
 Your class section,
 The names of those students with whom you have collaborated,
 a staple.