Let B be a balancing network in a quiescent states, and suppose at ok en enters on wire i and passes through the network, leaving the network in states′. Show that if an anti token now enters on wire...

Let B be a balancing network in a quiescent states, and suppose at ok en enters on wire i and passes through the network, leaving the network in states′. Show that if an anti token now enters on wire i and passes through the network, then the network goes back to states