The positive value of the determinant of the matrix

JEE MAIN 2022

27-06-2022 S1

Question

The positive value of the determinant of the matrix $A$, whose $\operatorname{Adj}(\operatorname{Adj}(A))=\left(\begin{array}{ccc}14 & 28 & -14 \\ -14 & 14 & 28 \\ 28 & -14 & 14\end{array}\right)$, is

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JEE Main

Mathematics

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