Osnovy teorii Galua.

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Torjjaa
ii~ ~ ~ ~ ~~~i
D (F) = (F, F') = ~ [f (xi) g(x,)' Fl [f (y1)g(y1)1'
= 1 H [(xi)g'(xi) 4-f'(X1)g(xM) H If 0ylg'(y,) +f'(Y,)g(yi)]
OTKyJaa B CIiMY f (Xi)O 0 ii i)~0.(1.13) D(F) =~ Hg(x1)._HJf(xi) -_Hf(yi)._fl g'(yi)=
=~R(f.f'). R(gjg') R(fjg) R(gjf),
JIMH
(1.14) D (f -g)= D (f )D (g)J?2(fl g).
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rIOJly'IHM:
k
(1.15) D(f1.f2.fk) ~ HD(fj).HR2(ff)
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(2.1) ao ~alx + *. +a x1 + x'.
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