4. Consider the real vector space R?. For every x = (11,12) E R?, let ||x|| = |11|+ |r2l. a) Show that || - || defines a norm on R2. b) Sketch the unit circle {x € R? : ||x| = 1}.
4. Consider the real vector space R?. For every x = (11,12) E R?, let ||x|| = |11|+ |r2l. a) Show that || - || defines a norm on R2. b) Sketch the unit circle {x € R? : ||x| = 1}.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter5: Orthogonality
Section5.2: Orthogonal Complements And Orthogonal Projections
Problem 30EQ
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