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

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

1.	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
A.	3, 1
B.	3, 2
C.	4, 2
D.	2, 4
Answer» B. 3, 2

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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

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