Show that the output voltage { v }_{ 0 }of the circuit in Fig. 5.78 is
v_{o}=\frac{\left(R_{3}+R_{4}\right)}{R_{3}\left(R_{1}+R_{2}\right)}\left(R_{2} v_{1}+R_{1} v_{2}\right)Show that the output voltage { v }_{ 0 }of the circuit in Fig. 5.78 is
v_{o}=\frac{\left(R_{3}+R_{4}\right)}{R_{3}\left(R_{1}+R_{2}\right)}\left(R_{2} v_{1}+R_{1} v_{2}\right)