Let P4 = set of polynomials with degree less than or equal to 4, and T: P4 → P4 f → f′ (derived), ie T(f)=f′.   Judge the following statements as true or false   (a) The subset of P4 defined by N = {T ∈ P4 | T(p(x)) = 0} is a vector subspace of P4. (b) T is not a linear transformation.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Let P4 = set of polynomials with degree less than or equal to 4, and

T: P4 → P4

f → f′ (derived), ie T(f)=f′.

 

Judge the following statements as true or false

 

(a) The subset of P4 defined by N = {T ∈ P4 | T(p(x)) = 0} is a vector subspace of P4.

(b) T is not a linear transformation.

 

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