If $A=\begin{bmatrix}2&-1&-2\\0&

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Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Matrices

Question:

If $A=\begin{bmatrix}2&-1&-2\\0&2&-1\\3&-5&1\end{bmatrix}$ then the value of $\text{det (adj (2A))}$ is:

Options:

100

320

400

1600

Correct Answer:

1600

Explanation:

The correct answer is Option (4) → 1600