Given a 4x4 matrix as follows: Row 1 (1,4,3,-6); Row 2 (4,-21,43,64); Row 3 (7,2,10,1), Row 4 (9,17,21,-28). Using Laplace Expansion, find the determinant? and find the determinant whose first row is multiplied all by a factor of 2.

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A: The objective of the question is determine the given matrix.

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A: Given:          A=0-4-900-9-2-30006000475-9-6-5980-9 Solve:        det…

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Q: Given the 4x4 determinant as enumerated: Row 1 (41,25,33,-67); Row 2 (-487,21,52,20); Row 3…

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Q: Find the determinant of the following matrix: 3 1 -1 1-1 -4 -21

A: Here I am attaching image so that you understand each and every step.

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A: To find the determinant of the matrix

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A: See the details solution in below

Q: Use elementary row operations to evaluate the given determinant. (1, 7, −3; 1, 3, 1; 4, 8, 1)

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Q: If A and B are two square matrices 4 * 4 and |A| = 6 and |B| = -7. Find the determinants of the LARI…

A: Determinant of AB is -7 × 6 = -42. Answer is -42.

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