JEE Main 202313 Apr, Morning shiftMathematicsMediumMatrices and Determinants245× since 2002Let B=[13α123αα4],α>2B=\left[\begin{array}{lll}1 & 3 & \alpha \\ 1 & 2 & 3 \\ \alpha & \alpha & 4\end{array}\right], \alpha > 2B=11α32αα34,α>2 be the adjoint of a matrix AAA and ∣A∣=2|A|=2∣A∣=2. Then [α−2αα]B[α−2αα]\left[\begin{array}{ccc}\alpha & -2 \alpha & \alpha\end{array}\right] B\left[\begin{array}{c}\alpha \\ -2 \alpha \\ \alpha\end{array}\right][α−2αα]Bα−2αα is equal to :AOption A. 32BOption B. −-−16COption C. 0DOption D. 16CheckSkip · show solution
