If A is an invertible matrix of order $3

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Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Determinants

Question:

If A is an invertible matrix of order $3 \times 3$, then the value of $|adj(A)|$ is:

Options:

$|A|$

$|A|^2$

$|A|^3$

$\left|A^{-1}\right|$

Correct Answer:

$|A|^2$

Explanation:

The correct answer is Option (2) → $|A|^2$