Instructional Video

Khan Academy: Linear Algebra: (Correction) Scalar Multiplication of Row

Curated by ACT

A brief video correcting a notational mistake that was made in the previous video on how scalar multiplication affects the determinant. The formula in the previous video shows the entries being multiplied by the sub-matrices, when really the formula should show the entries being multiplied by the determinants of the sub-matrices. [2:52]

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CCSS: Adaptable
Common Core