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12th Class Mathematics Sample Paper Maths Olympiad Model Paper-8

  • question_answer
    The inverse of \[\left[ \begin{matrix}    2 & -3  \\    -4 & 2  \\ \end{matrix} \right]\] is

    A)  \[\frac{-1}{8}\,\,\left[ \begin{matrix}    2 & 3  \\    4 & 2  \\ \end{matrix} \right]\]      

    B)  \[\frac{-1}{8}\,\,\left[ \begin{matrix}    3 & 2  \\    2 & 4  \\ \end{matrix} \right]\]

    C)  \[\frac{1}{8}\,\,\left[ \begin{matrix}    2 & 3  \\    4 & 2  \\ \end{matrix} \right]\]                  

    D)  \[\frac{1}{8}\,\,\left[ \begin{matrix}    3 & 2  \\    2 & 4  \\ \end{matrix} \right]\]

    E)  None of these

    Correct Answer: A

    Solution :

    Not Available    


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