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Algebra Revisited
Linear Systems
Solving Linear Systems, from 1 to 2 to N Variables
Systems in ≥2 Variables via Substitution, Elimination, Etc.
Algebra and Geometry of Convex Polygons
Intersection of Convex Figures Is Convex
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Suppose we have two convex plane figures AAA and BBB, say in the Cartesian plane R2\mathbb{R}^2R2, for convenience (everything we do here will also apply to general convex sets)…
By Victor Wang, Moor Xu
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