Inverse matrix introduction | Matrices | Precalculus | Khan Academy
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YouTubeKhan Academy
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Keep going! Check out the next lesson and practice what you’re learning: https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:matrices/x9e81a4f98389efdf:intro-to-matrix-inverses/v/invertible-matrices-and-determinants The inverse of a square matrix is another matrix (of the same dimensions), where the multiplication (or composition ...
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Matrix multiplication introduction | Matrices | Precalculus | Khan Academy
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