Which of the following mappings are linear transformations? Give a proof (directly using the definition of a linear transformation) or a counterexample in each case. [Recall that Pn(F) is the vector space of all real polynomials p(x) of degree at most n with values in F.] (2) - (3+2). = (ii) ¢ : P₂(F) → P4(F) given by ☀(p(x)) = p(x²) (so ¢(ax² + bx + c) = axª + bx² + c). (i) : R³ → R² given by 0

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Which of the following mappings are linear transformations? Give a proof (directly using the
definition of a linear transformation) or a counterexample in each case. [Recall that PÂ(F) is the
vector space of all real polynomials p(x) of degree at most n with values in F.]
• (-)-(~`.).
=
3y z
(ii) : P₂(F) → P4(F) given by o(p(x)) = p(x²) (so o(ax²+bx+c) = ax + bx² + c).
(i) 0 : R³ → R² given by 0
Transcribed Image Text:Which of the following mappings are linear transformations? Give a proof (directly using the definition of a linear transformation) or a counterexample in each case. [Recall that PÂ(F) is the vector space of all real polynomials p(x) of degree at most n with values in F.] • (-)-(~`.). = 3y z (ii) : P₂(F) → P4(F) given by o(p(x)) = p(x²) (so o(ax²+bx+c) = ax + bx² + c). (i) 0 : R³ → R² given by 0
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