
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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![Let K be a field of charactectistic not equal to 3. Show that after an invertible change of variables,
any cubic polynomial f = K[x] can be written in the form f = x³ + ax + b.](https://content.bartleby.com/qna-images/question/ba3eb3fc-f971-41fe-b16c-34efe2fbb0c8/139f44ca-881b-4180-9c2a-3567ade08a43/vinrwsp_thumbnail.png)
Transcribed Image Text:Let K be a field of charactectistic not equal to 3. Show that after an invertible change of variables,
any cubic polynomial f = K[x] can be written in the form f = x³ + ax + b.
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