The signal flow diagram of a system is shown in the given

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The signal flow diagram of a system is shown in the given figure. The number of forward paths and the number of pairs of non-touching loops are respectively

1. 3, 1
2. 3, 2
3. 4, 2
4. 2, 4

Correct Option: C

C = RG – H₂C

∴	C	=	G
	R		1 + H₂