If |A| = -3 and A^ -1 = bmatrix 1&0&0 -1& 1 3 &0 3& 2 3 &-1 bmatrix , then ( adj A) is

MHT CET 2022 Mathematics question

If and , then is

Answer: (A)

Use , so . Multiply every entry of by : row 1: ; row 2: ; row 3: . So $\text{adj

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Question ID VK-094476