Multiple Choice Questions on Let A be a non singular matrix and B adjA Which of the follo........... for NDA Exam Preparation

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Multiple Choice Questions

Let A be a non singular matrix and B adjA Which of the follo...........

Mathematics (NDA) Matrices and Determinants
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    Let A be a non-singular matrix and B = adjA.   Which    of   the   following statements is/are correct?
    1. AB= BA
    2. AB is a scalar matrix
    3. AB can be a null matrix
    Select the correct answer using the code given below :
    This questions was previously asked in
    2022 NDA -1 Math
    View All NDA Previous Year Papers

    1 only

    Incorrect Answer

    1 and 2 only

    Correct Answer

    2 only

    Incorrect Answer

    1, 2 and 3

    Incorrect Answer
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    Explanation:

    1 and 2 only

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