Let P2 denote the vector space of all polynomials in the variable x of degree less than or equal to 2. Let B = {1, x, x²} be an ordered basis for P2. Let [ ]B : P₂ → R³ be the linear transformation determined by [1] B = ₁, [x]B = €2, [x²] B = 23. Find the coordinate vector representation for each of the following polynomials. Your answers should be vectors of the general form <1,2,3>. a. [−7] B = b. [5 - 3x²] B = c. [−8x² + 7x − 5]ß = d. Is the linear transformation [] an isomorphism? choose

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.4: Linear Transformations
Problem 24EQ
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Let P2 denote the vector space of all polynomials in the variable x of degree less
than or equal to 2. Let B = {1, x, x²} be an ordered basis for P2. Let
[]B: P₂ → R³ be the linear transformation determined by
=
[1]ß = ē₁, [x]ß =ẽ2, [x²]ß = ē3.
Find the coordinate vector representation for each of the following polynomials.
Your answers should be vectors of the general form <1,2,3>.
a. [−7] B
=
b. [5 - 3x²] B B =
c. [-8x² + 7x - 5]B =
d. Is the linear transformation [] an isomorphism?
choose
Transcribed Image Text:Let P2 denote the vector space of all polynomials in the variable x of degree less than or equal to 2. Let B = {1, x, x²} be an ordered basis for P2. Let []B: P₂ → R³ be the linear transformation determined by = [1]ß = ē₁, [x]ß =ẽ2, [x²]ß = ē3. Find the coordinate vector representation for each of the following polynomials. Your answers should be vectors of the general form <1,2,3>. a. [−7] B = b. [5 - 3x²] B B = c. [-8x² + 7x - 5]B = d. Is the linear transformation [] an isomorphism? choose
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