Q1181. Consider the following set of linear equations
\begin{eqnarray*}
x+2y+z&=&1\\
-2x+\lambda y-2z&=&-2\\
2x +6y+ 2\lambda z&=&3
\end{eqnarray*}
Q1181. Consider the following set of linear equations
\begin{eqnarray*}
x+2y+z&=&1\\
-2x+\lambda y-2z&=&-2\\
2x +6y+ 2\lambda z&=&3
\end{eqnarray*}