no of of paths from A to B
Source: Mathematics Regional Olympiad of Mexico West 2020 P1
September 10, 2022
combinatorics
Problem Statement
In the following figure, it is desired to go from point to point by walking only along the lines of the figure up and to the right. How many different paths can we take?
https://cdn.artofproblemsolving.com/attachments/7/c/dce2e0bcb69c9e2014474ab3699b4ef0470497.png