Аналитическая геометрия. Шурыгин В.В. - 77 стр.

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b
2
= λb
1
Φ
1
Φ
2
λ
e > 1
α, β ∈ (0,
π
2
)
a c
x 6 −a x > a
M
M(x; y)
Φ
r
1
= −a − ex, r
2
= a − ex,
M(x; y)
r
1
= a + ex, r
2
= −a + ex.
D
1
D
2
x = −
a
e
x =
a
e
D
F D
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                )                                     __
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:0.*3+-76\ -.3*L*79*;69 .3-0[b-7?,;0 [,6)*,09;0 .636;*83-b a 0 c \
          π
          2

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   Ú = Q0.*3+-76 /-/8-08 0[ Lb2N ”Žž”Ž¦\ -.3*L*79*;N b 16,-,0)*/1-M /0K
/8*;* 1--3L0,68 /--8,-I*,09;0 x 6 −a 0 x > a /--8b*8/8b*,,- = H- -8,-K
I*,0J 1 16,-,0)*/1-M /0/8*;* 1--3L0,68 .*3b69 0[ ,0N ,6[b6*8/9 ‹Ž”Š¦
”Žž”ŸÀ\ 6 b8-369 ¡”Š¦ ”Žž”ŸÀ=
   H-/1-7?12 8-)16 M \2L-b7*8b-39J}69 /--8,-I*,09; ‚ã]ƒ 070 ‚ãƃ\.30K
,6L7*|08 :0.*3+-7* ‚㕃\ 8- O-3;27 ‚ã]ƒ .3*L/86b79J8 /-+-M b36|*,09
L79 O-167?,N 36L02/-b 8-)10 M (x; y) \ .30,6L7*|6}*M 7*b-M b*8b0 :0K
.*3+-7 Φ \ [6L6,,-M 236b,*,0*; ‚㕃†
                        r = −a − ex, r = a − ex,
                        1                 2
                                                                      ‚ãڃ
6 O-3;27 ‚ãƃ .3*L/86b79J8 /-+-M b36|*,09 L79 O-167?,N 36L02/-b
8-)10 M (x; y) \ .30,6L7*|6}*M .36b-M b*8b0 ~8-M :0.*3+-7†
                        r = a + ex, r = −a + ex.
                        1             2
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D \ 0;*J}0*\ /--8b*8/8b*,,-\ 236b,*,09 x = − 0 x = \ 9b79J8/9 L03*1K
                                                                          1


830/6;0 :0.*3+-7\ 8- */8? )8- L79 7J+-M 8-)10 :0.*3+-7 b.-7,9J8/9
                                               a       a
 2                                             e       e


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   ­b-M/8b- :0.*3+-7\ b36|6*;-* /--8,-I*,09;0 ‚_`ƒ\ 9b79*8/9 /b-MK
/8b-;\ -.3*L*79J}0; :0.*3+-72= „-),**\ 0;**8 ;*/8- /7*L2J}** .3*L7-K
|*,0* =
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