Lesson: Inverse of a Matrix: Row Operations Mathematics

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In this lesson, we will learn how to use elementary row operations to find the inverse of a matrix, if possible.

Lesson Plan

Students will be able to

  • invert a matrix 𝐴 by creating the augmented matrix (𝐴∣𝐼) and performing row operations on it to get 𝐼∣𝐴,
  • show that a matrix is not invertible by performing row operations until a pivot entry appears in the right-hand side of the augmented matrix.

Lesson Explainer

Lesson Playlist

  • Using Elementary Row Operations to Find the Inverse of Two-by-Two Matrices
    01:51

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