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  3. suppose a and b are 33 matrices such that deta...

Question: suppose a and b are 33 matrices such that deta...

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Suppose A and B are 3×3 matrices such that det(A) = = 1 and det(B) = 31. Suppose A and B are 3x3 matrices such that det(A)-1 and det(B) 3. (a) Calculate det (28-1A-T) (b) Calculate det (3B)-1A(2B)T) (c) Now suppose that a b c A-d e f Cakealate the deterninant ofthemrices C and D below: 3a-c b 2c 20 -2g i

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