A) - 1
B) 0
C) 1
D) 2
Correct Answer: C
Solution :
It has a non-zero solution if \[\left| \,\begin{matrix} 1 & \,\,k & -1 \\ 3 & -k & -1 \\ 1 & -3 & \,\,1 \\ \end{matrix} \right|\]=0 \[\Rightarrow -6k+6=0\Rightarrow k=1\].
You need to login to perform this action.
You will be redirected in
3 sec
