Consider the systems
![2444_2f6159b2-998f-4f9f-b085-7c4f7a52de6e.png](https://secure.tutorsglobe.com/CMSImages/2444_2f6159b2-998f-4f9f-b085-7c4f7a52de6e.png)
Draw the block diagrams using the parallel methods of blocks then use:
1. The block diagram reduction rules to obtain the transfer functions.
2. Mason's formula to show that you will get the same transfer function from the block diagrams.