U = {X ER2x2 | AX=0}, OU= {XE R2x2 | XA=0}, == U = {X = R2×2 | A+ X = 0}, = {[18], [8], []} = {[89]}. = {[8]}.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The matrix A=[0 0;​1 0​] is given. For which of the following pairs is the set U a subspace of the vector space V=R^2x2, and the set Ω its basis?

(a) U = {X ER2×2 | AX=0},
(b) U = {XR2×2 | XA=0},
(c) U = {X = R2×2 | A+x=0},
= {[18], [8], [10]}.
= {[89]}.
= {[8]}.
= {[8]}\
N=
(d) U = {X € R2x2 | AX + A'X=0}, = {[9], [8]}.
(e) U = {X € R2×2 | AX + XA=0}, = {[11], [81]}.
Transcribed Image Text:(a) U = {X ER2×2 | AX=0}, (b) U = {XR2×2 | XA=0}, (c) U = {X = R2×2 | A+x=0}, = {[18], [8], [10]}. = {[89]}. = {[8]}. = {[8]}\ N= (d) U = {X € R2x2 | AX + A'X=0}, = {[9], [8]}. (e) U = {X € R2×2 | AX + XA=0}, = {[11], [81]}.
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