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λ
1
= 9 (5 −9)w
1
+ 6w
2
= 0
λ
1
= 9
w
1
= {3; 2}
w
1
π/2
w
2
= {−2; 3}
(a
αβ
)
5x + 6y −11 = 0 6x −6 = 0
x
C
= 1 y
C
= 1
x = ˆx + 1
y = ˆy + 1 5(x
0
+ 1)
2
+ 12(x
0
+ 1)(y
0
+ 1) −22(x
0
+ 1) −
12(y
0
+ 1) −19 = 0
5ˆx
2
+ 12ˆxˆy −36 = 0.
e
1
0
=
3
√
13
e
1
+
2
√
13
e
2
e
2
0
= −
2
√
13
e
1
+
3
√
13
e
2
ˆx =
3
√
13
x
0
−
2
√
13
y
0
ˆy =
2
√
13
x
0
+
3
√
13
y
0
5
13
(3x
0
− 2y
0
)
2
−
12
13
(3x
0
− 2y
0
)(2x
0
+ 3y
0
) − 36 = 0
9(x
0
)
2
− 4(y
0
)
2
= 36
x
2
4
−
y
2
9
= 1.
I
3
= det(a
αβ
) = 36
2
I
2
= det(a
ij
) = −36
{O; x, y}
x
2
− 2xy + y
2
− 10x − 6y + 25 = 0.
30 λ1 = 9 ¨75 /0/7*:5 .3*D/75B68*7 /-+- 235B,*,0* (5 − 9)w1 + 6w2 = 0 <
-¨7-:2 B*17-3 965B,-9- ,5.35B6*,08 /--7B*7/7B20 1-3, λ1 = 9
0:**7 B0D w1 = {3; 2} < 7-3- 965B,A B*17-3 :-,- ,570 5,56-90),A:
-+35E-: ,- :-,- .3-/7- .-B*3,27> B*17-3 w1 ,5 29-6 π/2 < 3*E26>757*
.-62)5*: w2 = {−2; 3} <
*,73 130B- ,5C-D07/8 0E /0/7*:A 235B,*,0 ¶² :5730½5 1-7-3-
-+35E-B5,5 DB2:8 .*3BA:0 /73-15:0 :5730½A (aαβ ) < 751 ½*,73 ,5C-D07
/8 0E /0/7*:A 235B,*,0 5x + 6y − 11 = 0 6x − 6 = 0 0 0:**7 1--3D0,57A
)
xC = 1 yC = 1 < *3*,*/*: ,5 56- 1--3D0,57 B ½*,73 < 68 ¨7-9- .-D/75
B0: B 235B,*,0* 130B- -3:26A .3*-+35E-B5,08 1--3D0,57~ x = x̂ + 1
)
y = ŷ + 1 < -62 5*: 235B,*,0* 5(x0 + 1)2 + 12(x0 + 1)(y 0 + 1) − 22(x0 + 1) −
)
12(y 0 + 1) − 19 = 0 1-7-3-* .-/6* .30B*D*,08 .-D-+,AC 6*,-B .30,0:5*7
B0D
5x̂2 + 12x̂ŷ − 36 = 0. I¶
A+*3*: 7*.*3> B 15)*/7B* ,-BAC +5E0/,AC B*17-3-B *D0,0),A* B*17-3A
965B,AC ,5.35B6*,0 e1 = √3 e1 + √2 e2 e2 = − √2 e1 + √3 e2 < ³7- E5:*,*
+5E0/5 /--7B*7/7B2*7 .3*-+35E-B5,0* 1--3D0,57 x̂13 = √313x0 − √2 y0 ŷ =
0 0
13 13
√2 x0 + √3 y 0 < -D/75B688 ¨70 .3*-+35E-B5,08 B 235B,*,0*
13 I¶13.-62)0:
235B,*,0*
13 13
1-7-3-* .-/6*
13 (3x − 2y ) − 13 (3x − 2y )(2x + 3y ) − 36 = 0
5 0 0 2 12 0 0 0 0
.30B*D*,08 .-D-+,AC )6*,-B .30,0:5*7 B0D 9(x0)2 − 4(y0)2 = 36 < 751
15,-,0)*/1-* 235B,*,0* 130B- 0:**7 B0D
x2 y 2
− = 1.
4 9
³7- * 235B,*,0* .-62)5*7/8 .30 0/.-6>E-B5,00 -3:26A I±< D5,,-:
/62)5* I3 = det(aαβ ) = 362 5 I2 = det(aij ) = −36 <
ªZ« Þ^ 5 *B160D-B- .6-/1-/70 B .38:-29-6>,- /0/7*:* 1--3D0
,57 {O; x, y} E5D5,5 130B58 B7-3-9- .-38D15 235B,*,0*:
x2 − 2xy + y 2 − 10x − 6y + 25 = 0.
570 15,-,0)*/1-* 235B,*,0* ¨7- 130B- 0 15,-,0)*/12 /0/7*:2 1--3
D0,57<
Ω
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