JEE MAIN - Mathematics Hindi (2024 - 1st February Morning Shift - No. 3)

यदि $\mathrm{A}=\left[\begin{array}{cc}\sqrt{2} & 1 \\ -1 & \sqrt{2}\end{array}\right], \mathrm{B}=\left[\begin{array}{ll}1 & 0 \\ 1 & 1\end{array}\right], \mathrm{C}=\mathrm{ABA}^{\mathrm{T}}$ और $\mathrm{X}=\mathrm{A}^{\mathrm{T}} \mathrm{C}^2 \mathrm{~A}$, तब $\operatorname{det} \mathrm{X}$ का मान है :
243
729
27
891

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