If \( A \) is an invertible matrix, then \( \operatorname{det}\left...

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If \( A \) is an invertible matrix, then \( \operatorname{det}\left(A^{-1}\right) \) is equal to
(a) \( \operatorname{det}(A) \)
(b) \( \frac{1}{\operatorname{det}(A)} \)
(c) 1
(d) none of these
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