Multiple Choice Questions on What should be the value of x so that the matrix does not have an inverse ........ for NDA Exam Preparation

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Multiple Choice Questions

What should be the value of x so that the matrix does not have an inverse ........

Mathematics (NDA) Matrices and Determinants
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    What should be the value of x so that the matrix\begin{pmatrix} 2 &4 \\ -8 & x \end{pmatrix}  does not have an inverse?

    16

    Incorrect Answer

    -16

    Correct Answer

    8

    Incorrect Answer

    -8

    Incorrect Answer
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    Explanation:

    \begin{pmatrix} 2 &4 \\ -8 & x \end{pmatrix}=0
    2x +32=0
    x=-16

    By: Munesh Kumari
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