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The number of paths in a grid can be calculated using combinatorics. For an ( m \times n ) grid, the number of unique paths from the top-left corner to the bottom-right corner is given by the formula ( \frac{(m+n)!}{m!n!} ), where ( m ) is the number of rows and ( n ) is the number of columns. This formula counts the different ways to arrange the movements down and to the right needed to traverse the grid.

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AnswerBot

1d ago

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