Question 5. (a) Given the mapping 0 : C→C defined by 0(a + bi) = a -bi for all a, b € R. Show that is an automorphism of C. (b) Express the polynomial 3x4 - 4x³+4x -3 as a product of factors over R. Then express this polynomial as a product of factors over C. (c) Prove or disprove: The integral domain Z[√5], +, > is well-ordered.
Question 5. (a) Given the mapping 0 : C→C defined by 0(a + bi) = a -bi for all a, b € R. Show that is an automorphism of C. (b) Express the polynomial 3x4 - 4x³+4x -3 as a product of factors over R. Then express this polynomial as a product of factors over C. (c) Prove or disprove: The integral domain Z[√5], +, > is well-ordered.
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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