# (a) Suppose that |A| = 3 and that |B| = 2. Find |A2 BT B-2 AT|. (b) Assume that |A| = 0. Prove that |6A3 + 5A2 + 2A| = 0.

(a) Suppose that |A| = 3 and that |B| = 2. Find |A2 ∙ BT ∙ B-2 ∙ AT|.

(b) Assume that |A| = 0. Prove that |6A3 + 5A2 + 2A| = 0.

(b) Assume that |A| = 0. Prove that |6A3 + 5A2 + 2A| = 0.

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