JEE Main & Advanced Mathematics Determinants & Matrices Question Bank Types of matrices, Algebra of matrices

  • question_answer
    \[AB=0\], if and only if   [MNR 1981; Karnataka CET 1993]

    A) \[A\ne O,B=O\]

    B) \[A=O,B\ne O\]

    C) \[A=O\]or \[B=O\]

    D) None of these

    Correct Answer: D

    Solution :

    Since\[AB=O\],even if \[A\ne O\]and \[B\ne O\].


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