Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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2. Using the irreducibility tests prove that each of the following polynomials is irreducible in its corresponding
polynomial ring. Please state which irreducibility test(s) you use.
(a) x3+2x+2 € F3 [x]
(b) x³ + 6x² + 2x + 5 € Q[x]
Hint: Use part (a)
(c) x 127x8
14x4 — 21x + 7 € Q[x]
(d) x11x+1 € Q[x]
Hint: Use Question 1
Here is question1
1. Determine all irreducible monic polynomials in F2[x] of degrees 1,2,3 and 4. For degree 4, it may be helpful
to write out all of the polynomials of degree 4, and then determine which ones are (ir) reducible.
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Transcribed Image Text:2. Using the irreducibility tests prove that each of the following polynomials is irreducible in its corresponding polynomial ring. Please state which irreducibility test(s) you use. (a) x3+2x+2 € F3 [x] (b) x³ + 6x² + 2x + 5 € Q[x] Hint: Use part (a) (c) x 127x8 14x4 — 21x + 7 € Q[x] (d) x11x+1 € Q[x] Hint: Use Question 1 Here is question1 1. Determine all irreducible monic polynomials in F2[x] of degrees 1,2,3 and 4. For degree 4, it may be helpful to write out all of the polynomials of degree 4, and then determine which ones are (ir) reducible.
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