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JEE Main & Advanced Mathematics Determinants & Matrices Question Bank Numerical Value Type Questions - Matrices

  • question_answer
    If \[A=\left[ \begin{matrix} x & 1  \\ 1 & 0  \\ \end{matrix} \right]\] and \[{{A}^{2}}\] is the unit matrix, then the value of \[{{x}^{3}}+x+2\] is equal to

    Answer:

    5


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