professorserna.com

Determinants. Cramer's Rule

I have removed all annotations from my videos that were used to correct errors (YouTube is getting rid of Annotattions) Any errors in the videos have been corrected in the NOTES. If you have already subscribed, you can use your User Name and your Password to download the NOTES in a MS WORD FILE. or a PDF FILE. (If you have trouble downloading the file on your phone, use the Opera Browser) If you haven't subscribed, subscribe now

In this video, I show you what a determinant is and how to calculate it. Then, I explain Cramer's Rule which shows you how to use determinants to solve systems of equations with the same number of variables and equations.