How to find the inverse of a 3 by 3 matrix (3 methods you need to know)
Learn how to find the inverse of a 3 by 3 matrix for your linear algebra class! 0:00 hello! 0:44 [A|I] ~ [I|A^-1) 11:10 A^-1 = 1/det(A)*adjugate(A) 19:35 shorter version of the 2nd way 🛍 Shop my math t-shirt & hoodies: https://amzn.to/3qBeuw6 @blackpenredpen
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