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QUESTION
Lattice path: Consider paths with North and East Steps.
- Lattice path: Consider paths with North and East Steps. how many lattice paths are there from the point of coordinates (0,0) to the point of coordinates (a, b) where a and b are two non negative integers.
- now consider lattice paths with North-east and South-east steps. how many lattice paths are there from the point of coordinates (0,0) to the point of coordinates (0,b) where b is a non negative integer.
