Question: 1. Find the determinant using: 1 -2 3 1 -5 -1 A = 1 4 2 1 a. Cofactor Expansion b. Pivotal Condensation c.

1. Find the determinant using: 1 -2 3 1 -5 -1 A

1. Find the determinant using: 1 -2 3 1 -5 -1 A = 1 4 2 1 a. Cofactor Expansion b. Pivotal Condensation c. Elementary Row Operations 3. 3.

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