Let V = R³ be the vector space over R of dimension 3. (a) Let e1, e2, e3 be the standard basis vectors of R and set v4 = ej + e2 + €3. Show that the set of vectors {e1, e2, e3, v4} are linearly dependent. (b) Find a basis for the subspace U below – justify your answer. ai U = : а1, а2 € R (c) Define a function L : V →V by L: a2 a2 аз Show that L is a linear transformation.
Let V = R³ be the vector space over R of dimension 3. (a) Let e1, e2, e3 be the standard basis vectors of R and set v4 = ej + e2 + €3. Show that the set of vectors {e1, e2, e3, v4} are linearly dependent. (b) Find a basis for the subspace U below – justify your answer. ai U = : а1, а2 € R (c) Define a function L : V →V by L: a2 a2 аз Show that L is a linear transformation.
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
Related questions
Question
Let V = R
3 be the vector space over R of dimension 3.
(a) Let e1
, e2
, e3 be the standard basis vectors of R
3 and set v4 = e1 + e2 + e3
. Show that
the set of vectors {e1
, e2
, e3
, v4} are linearly dependent.
(b) Find a basis for the subspace U below – justify your answer.
U =
a1
a2
−a1
: a1, a2 ∈ R
(c) Define a function L : V → V by
L :
a1
a2
a3
7→
0
a2
0
.
Show that L is a linear transformation.
(d) Is L an invertible linear transformation? Briefly justify your answer.
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