Determinants Answers

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The sum of the elements in row 1 is:

Answer:

The sum of the elements in column 2 is:

Answer:

-3

Element a21 in the matrix is:

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Find the product of the elements on the main diagonal of matrix A:d1 = (a11)(a22) =

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Find the product of the elements on the minor diagonal of matrix A:d2 = (a21)(a12) =

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Calculate the difference:d1 - d2 =

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