Mathematics · 2023
JEE Main · 10 April 2023, Shift 2 · Q4
If A=1/(5!6!7!) [5!, 6!, 7!; 6!, 7!, 8!; 7!, 8!, 9!], then | adj ( adj (2 A))| is equal to
If $\displaystyle A=\frac{1}{5!6!7!}\left[\begin{array}{lll}5! & 6! & 7! \\ 6! & 7! & 8! \\ 7! & 8! & 9!\end{array}\right]$, then $\displaystyle |\operatorname{adj}(\operatorname{adj}(2 A))|$ is equal to
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 2^{16}$
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.