Shaxsiy tоpshiriqlar
1-tоpshiriq. Bеrilgаn Δ dеtеrminаnt uchun a
i2
, a
3j
elеmеntlаrning minоrlаri vа аlgеbrаik
to’ldiruvchilаrini tоping. Δ dеtеrminаntni: а) i- sаtr elеmеntlаri bo’yichа yoyib; b) j-ustun
elеmеntlаri bo’yichа yoyib; d) i- sаtr elеmеntlаrini nollаrgа аylаntirib hisоblаng
1.1.
14
-
5
3
2
4
6
0
1
5
2
-
6
3
0
2
-
1
1
. 1.2.
6
0
2
4
3
1
-
2
0
0
9
-
3
6
3
1
-
0
2
.
i = 4 , j = 1 . i = 1 , j = 3 .
9
1.3.
3
1
5
0
2
0
4
3
0
1
1
1
1
2
7
2
1.4.
8
6
4
2
3
1
3
5
2
8
2
3
5
1
5
4
i= 4 , j = 1 . i= 1 , j = 3 .
1.5 .
4
2
1
5
1
2
2
1
0
1
4
2
2
3
5
3
1.6.
4
3
1
0
3
2
0
1
0
5
3
4
5
0
2
3
i= 2 , j = 4 . i= 1 , j = 2 .
1.7.
2
3
2
1
1
0
1
2
2
1
4
3
0
2
1
2
1.8.
3
3
2
1
0
1
5
4
3
2
1
1
2
0
2
3
i= 2 , j = 3. i=3, j = 1.
1.9
2
3
2
1
1
0
1
2
2
1
4
3
0
2
1
0
1.10.
1
2
3
8
4
5
1
10
3
2
8
4
7
1
2
0
i= 4 , j = 3 . i= 4 , j = 2 .
1.11.
4
9
2
3
6
4
1
2
2
0
2
3
1
7
3
5
1.12.
2
1
1
4
2
1
4
3
3
2
2
0
5
1
1
4
i= 3, j = 4. i=1, j = 2.
1.13.
2
0
2
3
1
7
3
5
4
0
2
3
3
2
8
1
1.14.
3
4
1
3
1
2
0
3
2
3
2
4
1
4
3
2
i= 1 , j = 4 . i=2 , j = 4.
10
1.15.
5
2
1
4
1
1
1
1
4
2
1
4
3
2
1
3
1.16.
1
2
3
1
3
1
2
2
1
6
0
5
0
2
1
3
i= 1 , j = 3 . i= 3 , j = 2.
1.17.
2
1
0
4
3
1
2
1
1
1
2
3
3
0
1
1
1.18.
1
1
1
1
0
2
1
4
1
2
1
1
2
4
0
5
i= 3 , j = 1 . i= 2 , j = 4.
1.19.
2
5
0
3
6
2
4
2
1
4
7
5
4
10
2
6
1.20.
1
2
1
3
4
1
2
2
6
0
3
2
1
4
2
1
i= 2 , j = 3. i= 4 , j = 3.
2 - tоpshiriq. Ikkitа А vа B mаtritsаlаr bеrilgаn. Quyidаgilаrni tоping а) АB ; b) BА ; d)
А
1
.
2.1. А =
2
4
3
6
7
8
3
1
2
, B =
1
2
1
4
5
3
2
1
2
.
2.2. А =
1
1
3
3
4
2
6
5
3
, B =
3
5
4
0
1
3
5
8
2
.
2.3. А =
1
0
1
1
1
2
1
1
2
, B =
1
2
1
6
4
2
0
6
3
.
2.4. А =
2
4
0
5
2
9
11
1
6
, B =
2
3
1
7
2
0
1
0
3
.
11
2.5. А =
1
2
1
2
0
1
2
1
3
, B =
1
7
3
1
1
2
2
1
0
.
2.6. А =
3
1
4
1
3
1
2
3
2
, B=
0
3
5
2
1
3
1
2
3
.
2.7. А =
1
2
2
0
1
3
3
7
6
, B =
7
3
4
2
1
4
5
0
2
.
2.8. А =
2
2
1
4
1
3
4
3
2
, B =
2
9
1
2
6
0
1
3
3
.
2.10. А =
1
1
0
2
3
1
1
6
2
, B =
3
2
3
5
0
4
2
3
4
.
2.11. А =
7
1
10
1
1
1
4
9
6
, B =
2
5
0
3
4
3
1
1
1
.
2.12. А =
8
1
2
7
1
3
3
0
1
, B=
4
6
5
1
0
3
4
5
3
.
2.13. А =
1
4
8
1
3
1
2
1
5
, B =
0
6
1
2
1
7
5
5
3
2.14. А =
4
3
4
6
3
3
5
2
2
, B =
1
2
1
3
3
2
1
1
1
.
2.15. А =
4
3
4
6
0
3
5
2
1
, B=
1
2
1
3
3
2
1
1
1
.
12
2.16. А =
5
0
3
4
2
1
2
4
5
, B =
2
2
1
1
7
3
5
1
5
.
2.17. А =
7
2
2
2
3
4
0
1
3
, B =
1
6
1
1
3
5
0
7
2
.
2.18. А =
2
3
0
1
1
5
5
1
1
8
, B =
2
0
1
1
2
3
5
2
3
.
2.19. А =
3
2
4
3
8
1
2
7
3
, B =
5
1
2
1
4
2
3
5
0
.
2.20. А =
5
7
4
1
5
3
0
1
3
, B =
2
0
3
4
8
1
2
0
1
.
3-tоpshiriq. Chiziqli аlgеbrаik tеnglаmаlаr sistеmаsi birgаlikdа ekаnligini
tеkshiring. Аgаr birgаlikdа bo’lsа, uni :
а) Krаmеr fоrmulаlаri bo’yichа;
b) mаtritsа usulidа ;
d) Gаuss usulidа yeching.
3.1.
;
6
2
3
,
1
3
2
,
7
3
2
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.2.
;
3
4
4
,
4
2
,
3
2
2
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.3.
;
3
2
5
,
6
4
2
,
12
3
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.4.
;
7
2
2
,
11
3
,
4
3
2
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.5.
;
9
2
,
6
2
4
3
,
12
4
2
3
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.6.
;
5
3
4
,
2
,
4
6
3
8
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.7.
;
0
6
3
8
,
2
,
9
3
4
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.8.
;
39
4
,
24
5
7
,
33
4
3
2
3
1
2
1
3
2
1
x
x
x
x
x
x
x
13
3.9.
;
7
4
,
33
5
7
,
12
4
3
2
3
1
3
2
1
3
2
1
x
x
x
x
x
x
х
x
3.10.
;
22
5
2
3
,
20
4
5
,
6
4
3
2
1
3
2
3
2
1
x
x
x
x
x
x
x
x
3.11.
;
10
2
,
9
2
4
3
,
21
4
2
3
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.12.
;
1
3
2
,
12
4
3
2
,
5
5
2
3
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.13.
;
8
2
,
11
2
2
,
19
4
4
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.14.
;
4
2
,
6
4
4
,
0
2
2
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.15.
;
22
4
4
,
11
2
,
8
2
2
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.16.
;
15
2
4
3
,
20
5
,
9
3
2
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
х
x
x
3.17.
;
3
5
,
1
2
4
3
,
0
3
2
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.18.
;
9
2
4
,
4
3
,
8
6
5
3
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.19.
;
19
2
4
,
36
6
5
3
,
4
3
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
3.20.
;
16
4
2
,
8
2
5
,
11
3
3
2
1
3
2
1
3
2
1
x
x
x
x
x
x
x
x
x
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