A* search algorithm is:

A* search algorithm is:

  1. a) only complete but not optimal
  2. b) Only optimal but not complete
  3. c) complete and optimal if the heuristic is admissible
  4. d) Neither optimal nor complete

From the BCS Technical Cadre (CSE) October 2025 – 49th BCS Written (Special) (BPSC) exam, question 19 of 123.

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