Аналитическая геометрия. Часть III. Многомерные пространства. Гиперповерхности второго порядка. Шурыгин В.В. - 5 стр.

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Ann(L
m
) = L{
e
b
1
, . . . ,
e
b
nm
} {
e
b
a
} a = 1, . . . , n m
Ann(L
m
) M {M
0
, L
m
}
e
b
a
(r r
0
) = 0, a = 1, . . . , n m.
e
b
a
= b
a
i
e
e
i
{
e
e
i
} i = 1, . . . , n V
n
{e
i
}
b
a
i
(x
i
x
i
0
) = 0, a = 1, . . . , n m.
b
a
i
x
i
+ b
a
n+1
= 0, a = 1, . . . , n m,
b
a
n+1
= b
a
i
x
i
0
m A
n
nm nm
nm (
) n m {x
i
} M
{O, e
i
} A
n
m A
n
b
1
x
1
+ . . . + b
n
x
n
+ b
n+1
= 0
π
n1
A
n
e
b = {b
1
, . . . , b
n
}
L
n1
π
n1
m L
m
=
L{a
1
, . . . , a
m
} a
α
= a
i
α
e
i
M
0
r
0
= x
i
0
e
i
n m n x
1
, . . . , x
n
m
R
n
S A
n
e
S =
{
AB V
n
|A, B S}
S M
0
S
π(S) = {M
0
, L(
e
S)}
   µ^ ’2/7> Ann(L ) = L{be1, . . . , ben−m}  9D* {bea}  a        = 1, . . . , n − m    F
+5E0/ B Ann(Lm) < -9D5 M ∈ {M0, Lm} ⇐⇒
                  m



                      e a (r − r0 ) = 0,
                      b                    a = 1, . . . , n − m.                   •¶‹
’2/7> bea = baieei  9D* {eei}  i = 1, . . . , n  F +5E0/ B Vn∗  /-.38“*,,A” +5E0
/2 {ei} < -9D5 /0/7*:5 235B,*,0” •¶‹ ¨1B0B56*,7,5 /6*D2‡ˆ*”~
                           bai (xi − xi0 ) = 0, a = 1, . . . , n − m.              •·‹
  5/13AB58 /1-+10 B •·‹ .-62)5*: /0/7*:2 60,*”,AC 235B,*,0”
                           bai xi + ban+1 = 0, a = 1, . . . , n − m,               •I‹
9D* ban+1 = −baixi0 < 510: -+35E-: m .6-/1-/7> B .3-/735,/7B* An E5D5*7/8
/0/7*:-” 0E n−m 60,*”,AC 235B,*,0” 35,95 n−m < )*B0D,-  0:**7 :*/7-
0 -+357,-* 27B*3“D*,0*  5 0:*,,-~
   ŽXYZ[—¡Y\]Y^ ¸gkdmhibjt hahimdj •I‹ al n − m oabmubcr ( bmgnbgfgnp
bcr ) }fjkbmbau fjbxj n − m not vggf nabji {xi} igsva M gibghaimo‚bg
fmemfj {O, ei} j``abbgxg efghifjbhikj An ljnjmi m peoghvghi‚ k An €
   ¹ sjhibghiaw gnbg oabmubgm }fjkbmbam
                                 b1 x1 + . . . + bn xn + bn+1 = 0                  •º‹
ljnjmi xaemfeoghvghi‚ πn−1 k An € žfa zigd be = {b1, . . . , bn} Ÿ oabmubjt
`gfdjw jbb}oaf}{qjt bjefjkot{qmm egnefghifjbhikg Ln−1 xaemfeoghvgp
hia πn−1 €
   £—™œ¤œšY[¥˜š›—^ *”/7B07*6>,-  -+ˆ** 3*‰*,0* /0/7*:A •I‹ 0:**7 B0D
•±‹ 0 -.3*D*68*7 m .6-/1-/7> / ,5.35B68‡ˆ0: .-D.3-/735,/7B-: Lm =
                                                        )        )
L{a1 , . . . , am }  9D* aα = aiα ei  .3-C-D8ˆ2‡ *3*E 7- 12 M0 / 35D02/ B*17-3-:
r0 = xi0 ei < 
   E ¨7-9- .3*D6-“*,08 /6*D2*7 )7- B/8158 /-B:*/7,58 /0/7*:5 60,*”,AC
235B,*,0” 35,95 n − m -7,-/07*6>,- n .*3*:*,,AC x1, . . . , xn E5D5*7 m
.6-/1-/7> B 5„„0,,-: .3-/735,/7B* Rn <
   ŽXYZ[—¡Y\]Y^ ž}hi‚ S ⊂ A Ÿ efgalkgo‚bgm egndbgymhikgw Se =
                                    dbgymhikg        kmvigfgkw bjsjoj a vgb†c vgigfcr
                                               n
 −→
{AB ∈ Vn | A, B ∈ S} Ÿ
efabjnomyji dbgymhik} S w j M0 ∈ S Ÿ efgalkgo‚bjt igsvj€ žoghvghi‚
                                       π(S) = {M0 , L(S)} e                        •»‹
                                                  ¼