1. (40 points) Let 12 1 11 A= 1 2 3 3 1 1 (a) Compute the determinant |AL. (b) Compute A-!. Verify that your answer is c

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1 40 Points Let 12 1 11 A 1 2 3 3 1 1 A Compute The Determinant Al B Compute A Verify That Your Answer Is C 1 (26.31 KiB) Viewed 22 times

1. (40 points) Let 12 1 11 A= 1 2 3 3 1 1 (a) Compute the determinant |AL. (b) Compute A-!. Verify that your answer is correct. Find the determinant |A-". (c) Solve AX b, where b = [11 22 33). Verify that your answer is correct. 2. (20 points) Let 2 1 31 B = 1 21 - 1 3 1 (a) How is B related to A in Question 1? Compute the determinant B. (b) Compute B-I. Verify that your answer is correct.