Lesson 27: Finding The Inverse Of A 2×2 Matrix


Lesson on solving for the inverse of a matrix. Take note that matrix AB is equal to the Identity matrix which is also equal to matrix BA. In solving for the inverse of a matrix, take note that matrix A = has the inverse of 1 over the determinant of the original matrix multiplied to the matrix 

4:32 Find the inverse of A = 

5:58 Find the inverse of B = 

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