s11wk01su - Math 23 Summer I 2011 B Dodson 1 Course Info 2...

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Math 23, Summer I 2011B. Dodson1. Course Info2. Week 1 Homework:12.1: 3-Space, Distance12.2 vectors: unit, standard unit, notations12.3 dot product: orthogonal, proj, comp12.4 cross product: formula, propertiesProblem 12.1.15:Show that the equationx2+y2+z2-6x+ 4y-2z= 11represents a sphere, and find its center and radius.

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