One way to compute the determinant is by elimination. In this lecture we derive two related formulas for the determinant using the properties from last lecture.
Lecture Video and Summary
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Determinant Formulas and Cofactors (00:53:17)
Lecture 19: Determinant Formulas and Cofactors
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- Lecture video transcript (PDF)
- Read Section 5.2 in the 4th or 5th edition.
Problem Solving Video
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Problem Solving: Determinants
- Recitation video transcript (PDF)
- 观看视频: 习题讲解 --
Problems and Solutions
Work the problems on your own and check your answers when you're done.