JEE Main 202429 Jan, Morning shiftMathematicsEasyMatrices and Determinants245× since 2002 Let A=[1000αβ0βα] and ∣2 A∣3=221 where α,β∈Z, Then a value of α is \text { Let } A=\left[\begin{array}{lll} 1 & 0 & 0 \\ 0 & \alpha & \beta \\ 0 & \beta & \alpha \end{array}\right] \text { and }|2 \mathrm{~A}|^3=2^{21} \text { where } \alpha, \beta \in Z \text {, Then a value of } \alpha \text { is } Let A=1000αβ0βα and ∣2 A∣3=221 where α,β∈Z, Then a value of α is AOption A. 9BOption B. 17COption C. 3DOption D. 5CheckSkip · show solution
