Let ✓ be a nonzero vector in Rn and let V = Span{v}. Show that V has dimension n − 1. HINT: note that V¹ = { € R^|✔ · × = 0}. What sort of equation is ✔ · x = √²x = 0? Let {V1, V2, Vp} be an orthogonal set in R" and let a₁, a2,, ap are scalars, show that P ||Σa vi||² = |a|²||vi||2². αΐ i=1 i=1

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Inner Product Spaces
Section5.2: Inner Product Spaces
Problem 87E
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Let v be a nonzero vector in R" and let V = Span{v}. Show that V has dimension n - 1. HINT:
note that V¹ {XER" x = 0}. What sort of equation is v. x = √²x=0?
Let {V1, V2,..
=
Vp} be an orthogonal set in R" and let a₁, a2,... , ap are scalars, show that
2
Σ
i=1
р
ai vi||² = Σ|ai|²||vi||²2.
i=1
Transcribed Image Text:Let v be a nonzero vector in R" and let V = Span{v}. Show that V has dimension n - 1. HINT: note that V¹ {XER" x = 0}. What sort of equation is v. x = √²x=0? Let {V1, V2,.. = Vp} be an orthogonal set in R" and let a₁, a2,... , ap are scalars, show that 2 Σ i=1 р ai vi||² = Σ|ai|²||vi||²2. i=1
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