Mathematics · 2022
JEE Main · 26 June 2022, Shift 1 · Q3
Let A be a 3 × 3 invertible matrix. If | adj (24 A )|=| adj (3 adj (2 A ))|, then | A |^2 is equal to:
Let A be a $\displaystyle 3 \times 3$ invertible matrix. If $\displaystyle |\operatorname{adj}(24 \mathrm{~A})|=|\operatorname{adj}(3 \operatorname{adj}(2 \mathrm{~A}))|$, then $\displaystyle |\mathrm{A}|^2$ is equal to :
Official answer
(3)
$\displaystyle 2^6$
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JEE Main 2022 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.