Question: Consider the LP for finding the shortest-route path from node 1 to node 7. Bidirectional arrows () indicate that travel is possible both ways. Let

Consider the LP for finding the shortest-route

Consider the LP for finding the shortest-route path from node 1 to node 7. Bidirectional arrows () indicate that travel is possible both ways. Let X;; = 1 if the route from node i to nodej is taken and 0 otherwise. 4 2 4 8 6 10 3 3 4 1 5 5 7 12 3 9 3 Which of the following represents the constraint for Node 4? -X12-X42-X52+X21+X24+X25-1 -X12-X42-X52+X21+X24+X25=0 O-X12-X42-X52+X24+X25-1 O-X12-X42-X52+X24+X25=0

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