How does A* search handle the trade-off between cost and heuristic estimate?
- It always prioritizes cost over the heuristic
- It ignores the trade-off completely
- It randomly selects either cost or heuristic
- It uses a weighted sum of cost and heuristic (f = g + w * h)
A* search handles the trade-off by using a weighted sum of cost and heuristic, denoted as f = g + w * h, where 'g' is the actual cost from the start state, 'h' is the heuristic estimate, and 'w' is a weight factor. Adjusting the weight influences the balance between cost and heuristic in the decision-making process.
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