Mathematics · 2023
JEE Main · 13 April 2023, Shift 2 · Q5
Let for A = [1, 2, 3; α, 3, 1; 1, 1, 2],| A |=2. If |2 adj (2 adj (2 A ))|=32^n, then 3 n+α is equal to
Let for $\displaystyle \mathrm{A}=\left[\begin{array}{lll}1 & 2 & 3 \\ \alpha & 3 & 1 \\ 1 & 1 & 2\end{array}\right],|\mathrm{A}|=2$. If $\displaystyle |2 \operatorname{adj}(2 \operatorname{adj}(2 \mathrm{~A}))|=32^n$, then $\displaystyle 3 n+\alpha$ is equal to
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 11$
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.