Math 311-01/02

1-29-2018

* [Matrices]*

1. Compute .

2. Compute .

3. Compute .

4. Compute .

5. Compute .

6. Compute .

7. Compute .

* [Determinants]*

8. Compute the determinant: .

9. Compute the determinant: .

10. Compute the following determinant:

I'll expand by cofactors using row 1:

11. Compute the following determinant:

I'll expand by cofactors using column 2:

12. Compute the following determinant:

I'll expand by cofactors using row 1:

13. Suppose that

Find:

(a) .

(b) .

(c) .

(a)

(b)

(c)

*Think before you think!* - *Stanislaw Lec*

Copyright 2018 by Bruce Ikenaga