Let V be a real vector space with basis v₁, v2. Define , where A = (043) = [₁ 2] ₁ Assuming that this makes V,. into an inner product space, find an orthonormal basis w₁, W₂ with respect to this inner product in terms of V₁, V2. Vi • Vj = Ajj,' Select one: ○ w₁ = v₁/√√5, W2 = (v₁ – 5v₂)/√/45 W₁ = (v₁ + 2v₂)/√√5, W₂ = (v₁ − v₂)/√√/2 None of the others apply The associated quadratic form q(v) = v - v for the stated dot product is not in fact positive definite, hence there is no orthonormal basis in this case. w₁ = (√5v₁ + √2v2)/√√7, w2 = (-v1 - v₂)/√√/2

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.1: Vector Spaces And Subspaces
Problem 49EQ
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Let V be a real vector space with basis v₁, v2. Define
v₁ - Vj = aj, where A = (aj) = [₁ )
Assuming that this makes V,. into an inner product space, find an orthonormal basis w₁, W₂ with respect to this inner product in terms of V₁, V2.
Select one:
○ w₁ = v1/√5, W2 = (v₁ – 5v2)/√√/45
W₁ = (v₁ + 2v₂)/√√5, W2 = (v₁ − v₂)/√√/2
None of the others apply
The associated quadratic form q(v) = v- v for the stated dot product is not in fact positive definite, hence there is no orthonormal basis in this case.
w₁ = (√5v₁ + √2v2)/√√7, w2 = (-v1 - v₂)/√√/2
Transcribed Image Text:Let V be a real vector space with basis v₁, v2. Define v₁ - Vj = aj, where A = (aj) = [₁ ) Assuming that this makes V,. into an inner product space, find an orthonormal basis w₁, W₂ with respect to this inner product in terms of V₁, V2. Select one: ○ w₁ = v1/√5, W2 = (v₁ – 5v2)/√√/45 W₁ = (v₁ + 2v₂)/√√5, W2 = (v₁ − v₂)/√√/2 None of the others apply The associated quadratic form q(v) = v- v for the stated dot product is not in fact positive definite, hence there is no orthonormal basis in this case. w₁ = (√5v₁ + √2v2)/√√7, w2 = (-v1 - v₂)/√√/2
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