Osnovy teorii Galua.

~ 2. YpatinenUA de.4enuq icpyza11

117

OTCtoh,aa BbIBOJJMM ypaB~enfle anH! -q
(2.15) 4 4 - -~2+ 4 -0.
Terneph pa36KBaem riepHijibi m iia 4-HtiieHmHe:
H = +e+ 6+1, PH2=8+ +e+'0
HpI44em H ~ H1L =, H2 + H3 Th -'COCTaBJHfem HpOH3BeJeHH51:
HH1=H3+ H + H +H2= +Kr1== —l
TaKHM o6pa3oM nep~oimaw H ii H, 1BARI3T5OTCH1 K0PH5MH cieiyioluero KBaJLpaT~oro ypaBieHHRi:
(2'.16) H,2- H - I =.
COCTaBHiM TenepL, 2-tuaeHHbie nepioJau:
-e + 16, )2~ 62 + 61 214 = ell. 3 x E'2 + F-,
P131 8 + F- F~~~~~~E1 + *
Hmeem:
+:) - H 31 6+ =) - Hs.
Ho H3 nprjDiaaje~iKH K TOR >xe rpyrrne, 'ITO0H H, a n1OTOMY paLUHOHaJabHO
rhipamaeTC51 Iepe3 H. LI To6W HafRTH 19To Bbjpa>KeHHe, COCTaBHM rnpOlI3eieen~e HH,3.
HH3- H + H, + H2 ~ H =(H + H1 + H2 + H3) +
+ H -Ha I -+ H -H3,
OTKyJLa
- H~1
HrTaK, H:) yaowBJ1TBOPf11OT ciiexiyioiuemy ypaBHeHHY!0
Hi
(2.17) ~2H.+ H + 1 -,Lao c Hx nop BCTpe'laBHtiecfi nepHoJab HmentiH BeuieCTBeHmeI 3HaqeHI45.
J1aJabHetnwiHf 9Tan,LaeT HaM HenocpeaLCTBeHHO KOPHH 143 eXafiHHLbi. I{opeHb e
mioweT 6Ubz nOnlyqeH no Cpopmyiie
2,xi
e.= e =COS -7~+i sin -~cos - +iV1 05 i
HO TaK 1(aK 6s+ S16 2 cos —,I TO
17
(2.18) I 2