Lesson: Inverse of a 2 × 2 Matrix | Nagwa Lesson: Inverse of a 2 × 2 Matrix | Nagwa

Lesson: Inverse of a 2 × 2 Matrix Mathematics • First Year of Secondary School

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In this lesson, we will learn how to check whether a 2 × 2 matrix has an inverse and then find its inverse, if possible.

Lesson Plan

Students will be able to

  • find whether a 2×2 matrix is invertible using determinants,
  • understand the definition of a singular matrix (not invertible),
  • prove that the two matrices are multiplicative inverses of each other,
  • find the inverse of a 2×2 matrix, if possible.

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16:34

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