2. In the vector space II3 [0, 1] of all polynomials on the unit interval [0, 1] of degree not greater than 3, the following polynomials are defined, = x + 3x² + 3x³, p2(x) = x(1 − x), p3(x) = cx + x² – 3x³, P₁(x): where c is a given constant. (a) Find all values of c E R for which {P1, P2, P3} are linearly dependent. (b) The set B = {1, P₁, P2, P3} is a basis for II3 [0, 1] for those values of c for which {P1, P2, P3} are linearly independent. Find the coordinates [4] of the polynomial q(x) = (5x³ 3x)/2 in the basis B.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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2. In the vector space II3 [0, 1] of all polynomials on the unit interval [0, 1] of degree not
greater than 3, the following polynomials are defined,
= x+3x² + 3x³, p2(x) = x(1 − x), p3(x) = cx + x² − 3x³,
P₁(x):
where c is a given constant.
(a) Find all values of c ER for which {P1, P2, P3} are linearly dependent.
(b) The set B = {1, P₁, P2, P3} is a basis for II3 [0, 1] for those values of c for which
{P1, P2, P3} are linearly independent. Find the coordinates [q] of the polynomial
q(x) = (5x3³ - 3x)/2 in the basis B.
Transcribed Image Text:2. In the vector space II3 [0, 1] of all polynomials on the unit interval [0, 1] of degree not greater than 3, the following polynomials are defined, = x+3x² + 3x³, p2(x) = x(1 − x), p3(x) = cx + x² − 3x³, P₁(x): where c is a given constant. (a) Find all values of c ER for which {P1, P2, P3} are linearly dependent. (b) The set B = {1, P₁, P2, P3} is a basis for II3 [0, 1] for those values of c for which {P1, P2, P3} are linearly independent. Find the coordinates [q] of the polynomial q(x) = (5x3³ - 3x)/2 in the basis B.
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