Question:medium
If the matrix \(A = \left[ \begin{array}{cc}1 & -1 4\lambda & 8 \end{array} \right]\) is singular, then the value of \(\lambda\) is equal to
If the matrix \(A = \left[ \begin{array}{cc}1 & -1 4\lambda & 8 \end{array} \right]\) is singular, then the value of \(\lambda\) is equal to
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For \(2\times2\) matrix, singular if \(ad = bc\).
Updated On: Apr 25, 2026
- -2
- 2
- 1
- -1
- 0
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The Correct Option is A
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