inverse-of-a-2x2-matrix-using-2-techniques

I start by defining the Multiplicative Identity Matrix and a Multiplicative Inverse of a Square Matrix. I then work through three examples finding an Inverse Matrix. Inverse of 2 x 2 Matrix at 5:14 and 14:50

This is an excerpt of a full length lesson found here https://www.youtube.com/watch?v=eq3ZVJ9kP3M

Check out http://www.ProfRobBob.com, there you will find my lessons organized by class/subject and then by topics within each class. Find free review test, useful notes and more at http://www.mathplane.com

Tagged under: inverse matrix,inverse matrix,inverse matrices,inverse 2x2,inverse,matrix,matrices,2x2,Invertible Matrix (Invention),Linear Algebra (Field Of Study),tarrou,tarrou' chalk talk,profrobbob

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