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What is the determinant of a 2x2 matrix A = [[a, b], [c, d]]? (2021)

Practice Questions

1 question
Q1
What is the determinant of a 2x2 matrix A = [[a, b], [c, d]]? (2021)
  1. ad - bc
  2. ab + cd
  3. ac + bd
  4. ad + bc

Questions & Step-by-step Solutions

1 item
Q
Q: What is the determinant of a 2x2 matrix A = [[a, b], [c, d]]? (2021)
Solution: The determinant of a 2x2 matrix is calculated as ad - bc.
Steps: 0

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