A) 5
B) - 5
C) - 29
D) 29
Correct Answer: D
Solution :
If the given system of equations has a non-trivial solution, then \[\left| \,\begin{matrix} 3 & -2 & 1 \\ \lambda & -14 & 15 \\ 1 & 2 & 3 \\ \end{matrix}\, \right|=0\Rightarrow \lambda =29\].You need to login to perform this action.
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