(a) V=R2×3, U = {AE R2x3 | AA² = 1}. => (b) V = R², U = {(a1, a2) E R2 ||a1|= 1}. (c) V = RN, U = {(a1, a2, a3,...) E RN | a1 ≥0}.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section: Chapter Questions
Problem 8RE
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Which of the listed pairs has the set U as a vector subspace of the vector space V?

 
 
 
 
 
 

 

(a) V=R2×3, U = {A € R2×3 | AA = 1}.
(b) V=R2, U={(a1, a2) € R² ||a1|= 1}.
(c) V=RN, U = {(a1, a2, a3,...) ERN | a1 > 0}.
(d) V=R[x], U= {pЄ R[x] | p(3) = 0}.
(e) V=R2, U = {(a1, a2) E R² | a1a2 = 0}.
Transcribed Image Text:(a) V=R2×3, U = {A € R2×3 | AA = 1}. (b) V=R2, U={(a1, a2) € R² ||a1|= 1}. (c) V=RN, U = {(a1, a2, a3,...) ERN | a1 > 0}. (d) V=R[x], U= {pЄ R[x] | p(3) = 0}. (e) V=R2, U = {(a1, a2) E R² | a1a2 = 0}.
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