The Y-parameter of a two-port network is shown below. A 1 Ω resistor is connected to the network as shown. Find out the Y parameter of the whole network.
1
\(\left[ \begin{matrix} 6 & 1 \\ 0 & 4 \\ \end{matrix} \right]\)
2
\(\left[ \begin{matrix} 6 & 3 \\ 2 & 4 \\ \end{matrix} \right]\)
3
\(\left[ \begin{matrix} 4 & 1 \\ 0 & 2 \\ \end{matrix} \right]\)
4
\(\left[ \begin{matrix} 3 & 1 \\ 1 & 2 \\ \end{matrix} \right]\)