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Backtracking is based on ____________

(a) Last in first out

(b) First in first out

(c) Recursion

(d) Both Last in first out & Recursion

I got this question in quiz.

My question comes from Constraints Satisfaction Problems topic in chapter Problem Solving of Artificial Intelligence

Select the correct answer from above options

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The correct option is (d) Both Last in first out & Recursion

To explain I would say: Recursion uses LIFO.

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