Let L: Rn Rn be a linear operator? (a) Prove that if L is an isometry,
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(a) Prove that if L is an isometry, then ||L(x)|| = ||x||, for x in R".
(b) Prove that if L is an isometry and ( is the angle between vectors x and y in Rn, then the angle between L(x) and L(y) is also (?
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Related Book For
Elementary Linear Algebra with Applications
ISBN: 978-0132296540
9th edition
Authors: Bernard Kolman, David Hill
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