Question: consider an infinite 2 d grid where the initial state is the origin ( 0 , 0 ) , and the goal state is (

consider an infinite 2d grid where the initial state is the origin (0,0), and the goal state is (u,v) in the set of z^2 and the only possible actions are up, down , left, right (picked in that order when needed to break ties), each with a cost of 1. Break ties in the priority queue by popping the oldest one. What is the branching factor of b and why?

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