9.M.4 Let A = AT be a symmetric matrix, λ be a real number, and v₁ and v2 be vectors such that Αυγ = λυ1, Av₂: = λυγ + 01. Deduce that v₁ = 0. Hint: Compute v Av₂ in two different ways.

Elementary Linear Algebra (MindTap Course List)
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Chapter2: Matrices
Section2.1: Operations With Matrices
Problem 77E
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9.M.4 Let A = AT be a symmetric matrix, λ be a real number, and v₁ and v2 be vectors such that
Αυγ = λυ1,
Av₂: = λυγ + 01.
Deduce that v₁
=
0. Hint: Compute v Av₂ in two different ways.
Transcribed Image Text:9.M.4 Let A = AT be a symmetric matrix, λ be a real number, and v₁ and v2 be vectors such that Αυγ = λυ1, Av₂: = λυγ + 01. Deduce that v₁ = 0. Hint: Compute v Av₂ in two different ways.
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