Multiple Choice Questions on 2 sin theta cos theta 0 If A 2 cos theta nbs........... for NDA Exam Preparation

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Multiple Choice Questions

2 sin theta cos theta 0 If A 2 cos theta nbs...........

Mathematics (NDA) Matrices and Determinants
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             [|2 sin θ   cos θ   0]
    If A = [-2 cos θ  sin θ   0], then
             [-1                 1          1 ]
    what is A(adjA) equal to?
    where / is the identity matrix.
    This questions was previously asked in
    2022 NDA -1 Math
    View All NDA Previous Year Papers
    Null matrix
    Incorrect Answer
    -I
    Incorrect Answer

    I

    Incorrect Answer

    2I

    Correct Answer
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    Explanation:

    2I

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