Linear Algebra (Austin) · free preview

Determinants

Determinants

1. Introduction

Introduction

2. Introduction

Introduction

3. Determinants of $2\times2$ matrices

Determinants of 2×22\times2 matrices

4. Determinants and invertibility

Determinants and invertibility

5. Cofactor expansions

Cofactor expansions

6. Summary

Summary

7. Practice

Practice

8. In your own words

Summarize the key ideas of this section in your own words, then check yourself against the section text.

Practice this interactively

Free account · instant grading · spaced review that schedules itself.

Start this course — free