JEE Main & Advanced Mathematics Determinants & Matrices Question Bank Special types of matrices, Transpose, Adjoint and Inverse of matrices

  • question_answer
    If A and B are non-singular square matrices of same order, then \[adj(AB)\]is equal to [AMU 1999]

    A) \[(adj\,A)(adj\,B)\]

    B) \[(adj\,B)(adj\,A)\]

    C) \[(adj\,{{B}^{-1}})(adj\,{{A}^{-1}})\]

    D) \[(adj\,{{A}^{-1}})(adj\,{{B}^{-1}})\]

    Correct Answer: B

    Solution :

    It is obvious.


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