2. Let P2(R) be the vector space of polynomials over R up to degree 2. Consider {1+x – 2a², –1 + x + x², 1 – x + x²}, {1– 3r + a², 1 – 3x – 2a², 1 – 2x + 3x²}. В %3D - I B' %3D (a) Show that B and B' are bases of P2(R). (b) Find the coordinate matrices of p(x) = 9x? + 4x – 2 relative to the bases B and B'.

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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2. Let P2(R) be the vector space of polynomials over R up to degree 2. Consider
{1+x – 2x2, –1+x + x², 1 – x + x²},
{1– 3x + x?, 1 – 3.x – 2a2, 1 – 2x + 3.x²} .
В
-
B'
(a) Show that B and B' are bases of P2 (R).
(b) Find the coordinate matrices of p(x) = 9x2 +4x – 2 relative to the bases B and B'.
(c) Find the transition matrix PB-→B'.
(d) Verify that
[x(p)]B = PB¬B' [x(p)B].
Transcribed Image Text:2. Let P2(R) be the vector space of polynomials over R up to degree 2. Consider {1+x – 2x2, –1+x + x², 1 – x + x²}, {1– 3x + x?, 1 – 3.x – 2a2, 1 – 2x + 3.x²} . В - B' (a) Show that B and B' are bases of P2 (R). (b) Find the coordinate matrices of p(x) = 9x2 +4x – 2 relative to the bases B and B'. (c) Find the transition matrix PB-→B'. (d) Verify that [x(p)]B = PB¬B' [x(p)B].
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