Mathematics · 2022
JEE Main · 27 June 2022, Shift 1 · Q23
The positive value of the determinant of the matrix A, whose Adj ( Adj ( A ))= (14, 28, -14; -14, 14, 28; 28, -14, 14), is \ \ \ \.
The positive value of the determinant of the matrix A, whose
$$\operatorname{Adj}(\operatorname{Adj}(\mathrm{A}))=\left(\begin{array}{rrr}
14 & 28 & -14 \\
-14 & 14 & 28 \\
28 & -14 & 14
\end{array}\right),
$$
is \_\_\_\_.
Official answer
14
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JEE Main 2022 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.