mfar179 mfar179

06-06-2023
Mathematics

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Suppose A and B are 10 × 10 matrices such that det(A) = 4 and det (B) 5. The matrix C is obtained by exchanging rows 5 and 7 of A, then scaling row 9 by 3. The matrix D is obtained by exchanging columns 1 and 3 of B, then rows 6 and 7, then scaling the entire matrix by 2. What is the determinant of A-¹ BC-¹ D? -

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