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Polinomu algebra 5.lekcija

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Ja<br />

gredzenā Z[X], tad<br />

gredzenā Fp[X]. Redzam, ka<br />

Seko, ka<br />

f(X) = g(X)h(X)<br />

f(X) = g(X)h(X)<br />

g(X) = X k ,<br />

h(X) = X n−k .<br />

g0 ≡ 0(mod p),<br />

h0 ≡ 0(mod p),<br />

tātad a0 = g0h0 ≡ 0(mod p 2 ) - pretruna.<br />

<br />

2.1. piemērs. Polinoms X 4 − 3X 2 + 6X − 3 ∈ Z[X] ir nedalāms, jo<br />

visi koeficienti, izņemot vecāko, dalās ar 3, bet brīvais loceklis nedalās<br />

ar 3 2 = 9.<br />

Saturs Sākums Beigas ◭ ◮ Atpakal¸ Aizvērt Pilns ekrāns<br />

14

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