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Let R be a ring. Consider the map Ø:Q[x]→Q defined by Ø(f(x))=f(3 Then, the Kernel of Ø is:

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

Let R be a ring. Consider the map
Ø:Q[x]→Q defined by Ø(f(x))=f(3).
Then, the Kernel of Ø is: *
<x-1>
O None of the choices
O <x-3>
O <x-2>

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