Let {u 1 ..........u n } be an orthonormal basis for R n , and let

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Let {u1..........un} be an orthonormal basis for Rn, and let λ1..........λbe any real scalars. Define A = λ1u1u1T+.............+ λnununT
a. Show that A is symmetric.
b. Show that λ1,..........λn are the eigenvalues of A.

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Related Book For  answer-question

Linear Algebra And Its Applications

ISBN: 9781292351216

6th Global Edition

Authors: David Lay, Steven Lay, Judi McDonald

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