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Consider the following properties with respect to a flow network G=(V,E) in which a flow is a real-valued function f:V* V\to R: P_1: For all u,v\in V,\ f(u,v)=-f(v,u) P_2: ∑_v\in V f(u,v)=0 for all u\in V Which one of the following is/are correct? | Watch the step-by-step video solution for this NIMCET PYQ.