JEE Main & Advanced Sample Paper JEE Main - Mock Test - 10

  • question_answer
    If  is given by

    A) \[-A\]                

    B) \[{{A}^{T}}\]

    C) \[-{{A}^{T}}\]            

    D)  A

    Correct Answer: B

    Solution :

    [b]: For adj A, interchange the diagonal elements and change the sign of counter diagonal elements. We have


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