If A = bmatrix a & 0 & 1 0 & 1 & 2 0 & 0 & 4 bmatrix and |2A| = 32 , then a is:
Mathematics · Class 12 · CBSE — Determinants
If \(A = \begin{bmatrix} a & 0 & 1 \\ 0 & 1 & 2 \\ 0 & 0 & 4 \end{bmatrix}\) and \(|2A| = 32\), then \(a\) is:
- 1
- 2
- 4
- 8
Answer
(A) 1
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