Question:medium
Let \(A = \begin{bmatrix} a & -1 & -a 0 & 1 & -1 1 & 0 & 4 \end{bmatrix}\). If \(|A| = 26\), then the value of \(a\) is equal to
Let \(A = \begin{bmatrix} a & -1 & -a 0 & 1 & -1 1 & 0 & 4 \end{bmatrix}\). If \(|A| = 26\), then the value of \(a\) is equal to
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For a 3×3 matrix, expand along the first row: \(\sum (-1)^{1+j} a_{1j} M_{1j}\).
Updated On: Apr 25, 2026
- 5
- 4
- 6
- 7
- 2
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The Correct Option is A
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