Consider the following in respect of a non-singular matrix of order 3 : 1. A( adj ,A)=( adj ,A)A 2. | adj ,A|=|A| Which of the above statements is/are correct?

NDA 2020 Mathematics question

Consider the following in respect of a non-singular matrix of order 3 : 1. 2. Which of the above statements is/are correct?

Answer: (A)

, so statement 1 is correct. For a matrix of order , $|adj A|

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Question ID VK-029221