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Trace A* on this problem. Show what paths are in the frontier at each step. paths are shown with their corresponding f value: <a> 3 : <a,b> 4, <a,c> 3 : <a,b> 4, <a,c,e> 3, <a,c,f> 5 <a,c,e> is now extracted from the frontier and goal e is found.

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