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paglia

given an adjoint matrix, compute |A| example: 1 2 2 2 0 2 -1 1 0 0 2 1 0 0 0 2

  • 2 years ago
  • 2 years ago

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  1. mustangtiger
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    The inverse of A is the adjoint of A divided by its determinant. Since you have a 4 x 4 matrix, you can use this fact to show that (det(A))^3 = det(adj(A)). In your case, det(Adj(A) = 8, the product of the diagonal elements. So det(A) = 2.

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  2. paglia
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    thank you!

    • 2 years ago
  3. margz
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    \[the \sum of two numbers is 25and their difference is19.find the numbers\]

    • 2 years ago
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