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Answer 1

Answer #1

3.21 a- breadth first search is a special case of uniform cost search that takes variable cost into consideration, all the step cost are equal.

B- depth first search is a case in best first search with f(n) = depth(n)

C- uniform cost search is a special case of A* search. uniform cost search is A* search with h(n) =0

Answer 2

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