Question: Problem 15. (10 points) If A and B are 4 x 4 matrices, det( A) = 4, det (B) = -9, then det ( AB)

Problem 15. (10 points) If A and B are 4 x 4 matrices, det( A) = 4, det (B) = -9, then det ( AB) = det(-3A) = det ( ATB) det ( A2 B 1) = det(-3ABTA 1) = Note: You can earn partial credit on this

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