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If A and B are invertible matrices, then which one of the following is not correct?(a) adj A = A A-1 (b) det (A-1) = [det(A)]-1(c) (AB)-1 = B-1A-1 (d) (A+B)-1 = B-1 + A-1 |
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Answer» If A and B are invertible matrices, then which one of the following is not correct? (a) adj A = A-1 (b) det (A-1) = [det(A)]-1 (c) (AB)-1 = B-1A-1 (d) (A+B)-1 = B-1 + A-1 |
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