A) 1
B) 2
C) \[-1\]
D) 3
E) \[-3\]
Correct Answer: D
Solution :
The system of equations is consistent, if \[\left| \begin{matrix} 1 & 1 & 1 \\ 1 & 2 & 3 \\ 1 & 2 & \lambda \\ \end{matrix} \right|=0\] \[\Rightarrow \] \[\lambda =3\]You need to login to perform this action.
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