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Answering Two Common Objections to Geometric Algebra

This resource is part of a series that I am preparing in support of Professor David Hestenes's goal of using Geometric Algebra(GA) to integrate high-school algebra,geometry, trigonometry,and physics into a coherent curriculum. Previous materials in this series: Dot Product: Geometric Significance and GeoGebra Coding ( Inner and Outer Products of Vectors Inscribed in a Circle ( Geometric Algebra: Find unknown vector from two dot products ( GeoGebra coding/usage of Geometric Algebra's wedge product ( Tangents to a circle from a point, using Geometric Algebra ( Resources prepared by Professor Hestenes and Robert Rowley: LinkedIn group for collaborative development of pre-university materials on GA: Pre-University Geometric Algebra Wiki for the same purpose: