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Finding Determinant, Cofactors, Adjoint, and Inverse of a Matrix
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Finding Determinant, Cofactors, Adjoint, and Inverse of a Matrix

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Questions and Answers

What is the value of the determinant of matrix A?

  • 7
  • 6
  • 5 (correct)
  • 4

    • What is the cofactor of the element at the second row and third column of matrix A?

  • 2
  • -2 (correct)
  • -1
  • 1

    • What is the adjoint of matrix A?

  • [[3, -2, 1], [-2, 1, 3], [1, 3, 0]]
  • [[3, 2, 1], [-2, 1, -3], [1, -3, 0]]
  • [[3, -2, -1], [-2, 1, 3], [1, -3, 0]] (correct)
  • [[3, 2, -1], [-2, 1, 3], [1, 3, 0]]

    • What is the inverse of matrix A?

    <p>[[1/4, -3/4, 1/4], [-3/4, 1/4, 1/2], [1/4, 1/2, 0]]</p> Signup and view all the answers

    What is the minor of the element at the first row and second column of matrix A?

    <p>2</p> Signup and view all the answers

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