An IIR lattice filter is shown in Figure P6.31.
![2009_f2ad37db-5b03-4f93-9567-48fc5296d42e.png](https://secure.tutorsglobe.com/CMSImages/2009_f2ad37db-5b03-4f93-9567-48fc5296d42e.png)
(a) By tracing the path of an impulse through the flowgraph, determine y[1] for input x[n] = δ[n].
(b) Determine a flow graph for the corresponding inverse filter.
(c) Determine the transfer function for the IIR filter in Figure P6.31