Question: Help 3. (5 points total) a. (2 points) Suppose A, B, C are 3 x 3 matrices, where det(A) = 3, det(B) = 6, and

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3. (5 points total) a. (2 points) Suppose A, B, C are 3 x 3 matrices, where det(A) = 3, det(B) = 6, and det (C) = -4. Compute det(AB-1CT ). Show all work. b. (3 points) Suppose A is a 4 x 4 matrix. Let B be the matrix obtained from A after the following row operations: 4r1+12-+ 12 1 -14 - 14 2 712+ 13-+ 13 12 4 13 If det(B) = 10, find det(A). Show all work

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