If \( A \) is an invertible matrix, then \( \operatorname{det}(A-1) \) is equal to (A) \( \opera...
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0If \( A \) is an invertible matrix, then \( \operatorname{det}(A-1) \) is equal to
(A) \( \operatorname{det}(A) \)
(B) \( \frac{1}{\operatorname{det}(A)} \)
(C) 1
(D) none of these
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