Solution: det (A) = −5, and for n×n matrix adj (A) has determinant (det A)^ (n−1). Here n = 3, so det (B) = (−5)^ (2) = 25.

JEE Main 2024 Memory Based Questions: Candidates of the Joint Entrance Examination (JEE) Main 2024 might be quite curious to check the answers to the questions. NTA releases the official answer key at ...

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