1. For the following subsets of vector spaces, state whether or not the indicated subset is a subspace. Justify your answers by giving a proof or a counter-example in each case. (i) The subset U = (ii) The subset V = {{ 2a+3b a+b b Є R³ : a, b Є R of the vector space R³. ER3 a+b+c=1 1}. of the vector space R³. = {() = (iii) The set D of matrices of determinant 0, in the vector space M2×2 (R) of all real 2×2 matrices. (iv) The set G of all polynomials p(x) with p(1) = p(0), in the vector space P3 of polynomials of degree at most 3 with coefficients in R. (v) The set Z of all sequences which are eventually zero, Z = {v = (vo, v1, v2,...) E F∞ there is n such that v; = 0 for all i ≥ n}, in the vector space F∞ of infinite sequences v = (vo, V1, V2, ...) with v¿ Є F (F any field).

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Vector Spaces
Section4.5: Basis And Dimension
Problem 69E: Find a basis for R2 that includes the vector (2,2).
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1. For the following subsets of vector spaces, state whether or not the indicated subset is a subspace.
Justify your answers by giving a proof or a counter-example in each case.
(i) The subset U =
(ii) The subset V =
{{
2a+3b
a+b
b Є R³ : a, b Є R
of the vector space R³.
ER3 a+b+c=1
1}.
of the vector space R³.
= {() =
(iii) The set D of matrices of determinant 0, in the vector space M2×2 (R) of all real 2×2 matrices.
(iv) The set G of all polynomials p(x) with p(1) = p(0), in the vector space P3 of polynomials of
degree at most 3 with coefficients in R.
(v) The set Z of all sequences which are eventually zero,
Z = {v = (vo, v1, v2,...) E F∞ there is n such that v; = 0 for all i ≥ n},
in the vector space F∞ of infinite sequences v = (vo, V1, V2, ...) with v¿ Є F (F any field).
Transcribed Image Text:1. For the following subsets of vector spaces, state whether or not the indicated subset is a subspace. Justify your answers by giving a proof or a counter-example in each case. (i) The subset U = (ii) The subset V = {{ 2a+3b a+b b Є R³ : a, b Є R of the vector space R³. ER3 a+b+c=1 1}. of the vector space R³. = {() = (iii) The set D of matrices of determinant 0, in the vector space M2×2 (R) of all real 2×2 matrices. (iv) The set G of all polynomials p(x) with p(1) = p(0), in the vector space P3 of polynomials of degree at most 3 with coefficients in R. (v) The set Z of all sequences which are eventually zero, Z = {v = (vo, v1, v2,...) E F∞ there is n such that v; = 0 for all i ≥ n}, in the vector space F∞ of infinite sequences v = (vo, V1, V2, ...) with v¿ Є F (F any field).
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