[Solved] Total number of crosspoints in the three stage expander network

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Q.	Total number of crosspoints in the three stage expander network
A.	C3=2/M1/2 N
B.	C3=2/N1/2 M
C.	C3=2N/(M+N)1/2
D.	C3=2M/(M+N)1/2
Answer» D. C3=2M/(M+N)1/2

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