A discrete-time system is described by the following signal flow graph:
![333_35bc01f9-3012-487a-beb7-b55bc592a36c.png](https://secure.tutorsglobe.com/CMSImages/333_35bc01f9-3012-487a-beb7-b55bc592a36c.png)
(a) Determine the system function of the system.
(b) Determine the difference equation representation.
2. Two signal flow graphs are shown below.
Determine the system function corresponding to each signal flow graph and verify that they represent the same discrete-time system.
![193_9ad73b7d-9421-49f7-b2e7-657dc762aa0f.png](https://secure.tutorsglobe.com/CMSImages/193_9ad73b7d-9421-49f7-b2e7-657dc762aa0f.png)