A matrix A of order 3 × 3 is such that


A matrix $A$ of order $3 \times 3$ is such that $|A|=4$. Find the value of $|2 A|$.


$|K A|=K^{n}|A|$

Here, $n$ is the order of $A$.

Given: $|A|=4$

$\Rightarrow|2 A|=2^{3} \times 4=32$

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