Recall the following table, which shows that is a primitive element of the field GF(16) Z₂[x]/(x¹+x+1). = power of a polynomial power of a 0 polynomial x² +1 28 x x³ + x 22 +x+1 x3 x3 x³ + x² + x x+1 +x²+x+1 x² + x 76 x³ + x² x³ + x² +1 x3+1 x7 x³ + x + 1 x15 1 Find the minimal annihilating polynomials over Z₂ for a = x5 and b = x7. x5 x x2 x10 all x12 x13 x14 2²

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Recall the following table, which shows that x is a primitive element of the field GF(16)
Z₂[x]/(x¹ + x + 1).
=
power of polynomial
power of x
0
polynomial
x² +1
x8
X
X
x³ + x
x²
x²
x² + x + 1
x3
x³ + x² + x
x+1
+ x² + x + 1
x² + x
x³ + x²
x³ + x² +1
x³ +1
x7
x³ + x + 1
x15
1
Find the minimal annihilating polynomials over Z₂ for a = x5 and b = x7.
x³
25
2.6
x9
x10
all
x12
x13
x14
x3
Transcribed Image Text:Recall the following table, which shows that x is a primitive element of the field GF(16) Z₂[x]/(x¹ + x + 1). = power of polynomial power of x 0 polynomial x² +1 x8 X X x³ + x x² x² x² + x + 1 x3 x³ + x² + x x+1 + x² + x + 1 x² + x x³ + x² x³ + x² +1 x³ +1 x7 x³ + x + 1 x15 1 Find the minimal annihilating polynomials over Z₂ for a = x5 and b = x7. x³ 25 2.6 x9 x10 all x12 x13 x14 x3
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