The solutions of the equation \[\left| \,\begin{matrix} x & 2 & -1 \\ 2 & 5 & x \\ -1 & 2 & x \\ \end{matrix}\, \right|=0\] are [Karnataka CET 2005]

The solutions of the equation \[\left| \,\begin{matrix} x & 2 & -

1.	The solutions of the equation \[\left\| \,\begin{matrix} x & 2 & -1 \\ 2 & 5 & x \\ -1 & 2 & x \\ \end{matrix}\, \right\|=0\] are [Karnataka CET 2005]
A.	\[3,\,\,-1\]
B.	\[-3,\,\,1\]
C.	3, 1
D.	\[-3,\,\,-1\]
Answer» B. \[-3,\,\,1\]

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The solutions of the equation \[\left| \,\begin{matrix} x & 2 & -1 \\ 2 & 5 & x \\ -1 & 2 & x \\ \end{matrix}\, \right|=0\] are [Karnataka CET 2005]

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