Mathematics · 2021
JEE Main · 4 August 2021, Shift 2 · Q62
If A is a 3 × 3 matrix and | A |=1/36, then the value of |2 · adj (3 · adj (6 A ))| is
If A is a $\displaystyle 3 \times 3$ matrix and $\displaystyle |\mathrm{A}|=\frac{1}{36}$, then the value of $\displaystyle |2 \cdot \operatorname{adj}(3 \cdot \operatorname{adj}(6 \mathrm{~A}))|$ is
Official answer
(4)
$\displaystyle 2^7 \times 3^{10}$
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