2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-4

  • question_answer
    If \[A=\left[ \begin{matrix}    1 & 2 & 0  \\    -1 & 1 & 2  \\    2 & -1 & 1  \\ \end{matrix} \right],\] then det (Adj (Adj A)) =

    A)  13                         

    B)  \[{{13}^{2}}\]     

    C) \[{{13}^{4}}\]                                    

    D)  None

    Correct Answer: C

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