A) \[\lambda \ne -15\]
B) \[\lambda \ne -17\]
C) \[\lambda \ne -16\]
D) \[\lambda \ne -18\]
Correct Answer: B
Solution :
\[\left| \,\begin{matrix} \lambda & -1 & 4 \\ -3 & 0 & 1 \\ -1 & 1 & 2 \\ \end{matrix}\, \right|\,\ne 0\Rightarrow \lambda \ne -17\].
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