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

  • question_answer
    If \[P=\left[ \begin{matrix}    \frac{\sqrt{3}}{2} & \frac{1}{2}  \\    -\frac{1}{2} & \frac{\sqrt{3}}{2}  \\ \end{matrix} \right],A=\left[ \begin{matrix}    1 & 1  \\    0 & 1  \\ \end{matrix} \right],Q=PA{{P}^{T}}\]and \[{{P}^{T}}{{Q}^{2005}}P=\left[ \begin{matrix}    1 & k  \\    0 & 1  \\ \end{matrix} \right]\] then find k.

    Answer:

    2005.00


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