A heuristic is a way of trying __________
(a) To discover something or an idea embedded in a program
(b) To search and measure how far a node in a search tree seems to be from a goal
(c) To compare two nodes in a search tree to see if one is better than the other is
(d) All of the mentioned
This question was addressed to me in a national level competition.
My question is based upon History in chapter Introduction to Artificial Intelligence of Artificial Intelligence