any cubic polynomial f = K[r] can be written in the form f = r³+ar+ b. change of varillible
any cubic polynomial f = K[r] can be written in the form f = r³+ar+ b. change of varillible
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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![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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fba3eb3fc-f971-41fe-b16c-34efe2fbb0c8%2F139f44ca-881b-4180-9c2a-3567ade08a43%2Fvinrwsp_processed.png&w=3840&q=75)
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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