The solution set for the variables X, Y in the signal flow graph shown in the figure below is

The solution set for the variables X, Y in the signal flow graph shown

1.	The solution set for the variables X, Y in the signal flow graph shown in the figure below is
A.	X = Y = 0
B.	X = 1/2, Y = 2
C.	X = 2, Y = 1/2
D.	X = Y = 1/2
Answer» B. X = 1/2, Y = 2

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The solution set for the variables X, Y in the signal flow graph shown in the figure below is

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