(a) How many paths are there from the point (0, 0) to the point (110, 111) in the plane
Chapter 1, Problem 9(choose chapter or problem)
(a) How many paths are there from the point (0, 0) to the point (110, 111) in the plane such that each step either consists of going one unit up or one unit to the right? (b) How many paths are there from (0, 0) to (210, 211), where each step consists of going one unit up or one unit to the right, and the path has to go through (110, 111)
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