Solve the following: (Show all details) III. Find the determinants of the following matrices using Laplace Expansion and Triangular matrices (Upper and Lower). 907 1. A-3 2-1 2 4 2. B = 64 4 2 8 1358 2356 4 2 6 3 -2 1 3. C = 3 2 0 7 -1 4 5 3 0 6 -2 3 2 2 0 5 3 -4 -2 2 -1 1 -4.

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A: Aa per our guidelines, we can answer only first three sub-parts. Kindly repost the rest sub-parts…

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A: The solution is Given as

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A: To compute the determinants of the matrices A and B. A=123450967B=148662

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A: As you asked multiple subparts question, so according to the rule  I solved the first three subpart…

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A: We have to find out determinants

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