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MATH / Let S be the set of points (a,b) in the coordinate plane, where each of a and b may be −1, 0, or 1. How many distinct lines pass through at least two members of S? · Discussion

Discussing Let S be the set of points (a,b) in the coordinate plane, where each of a and b may be −1, 0, or 1. How many distinct lines pass through at least two members of S? · MATH

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