Let L: Rn Rn be a linear operator? (a) Prove that if L is an isometry,

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Let L: Rn → Rn be a linear operator?
(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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Elementary Linear Algebra with Applications

ISBN: 978-0132296540

9th edition

Authors: Bernard Kolman, David Hill

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Question Posted: Jun 21, 2016 07:51 AM

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Let L: Rn Rn be a linear operator? (a) Prove that if L is an isometry,

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a Let L be an isometry Then Lx Lx x x s...View the full answer

Elementary Linear Algebra with Applications

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