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Course: Algebra (all content) > Unit 20
Lesson 14: Determinants & inverses of large matrices- Determinant of a 3x3 matrix: standard method (1 of 2)
- Determinant of a 3x3 matrix: shortcut method (2 of 2)
- Determinant of a 3x3 matrix
- Inverting a 3x3 matrix using Gaussian elimination
- Inverting a 3x3 matrix using determinants Part 1: Matrix of minors and cofactor matrix
- Inverting a 3x3 matrix using determinants Part 2: Adjugate matrix
- Inverse of a 3x3 matrix
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Inverting a 3x3 matrix using Gaussian elimination
Sal explains how we can find the inverse of a 3x3 matrix using Gaussian elimination. Created by Sal Khan.
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