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Unformatted text preview: turn out to be fundamental and the good starting point for a very useful abstraction: Theorem 1. The following identities hold for all choices of u , v , w and c R : (a) u u , and is equal to zero if and only if u = . (b) u v = v u (c) ( u + v ) w = u w + v w (d) ( c u ) v = c ( u v ) 1...
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 Spring '08
 Bens
 Linear Algebra, Algebra

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