.
1-10. ,
, , , .
1. , 2. ,
3. , 4. ,
5. , 6. ,
7. , 8. ,
9. , 10. ,
11-20. . : 1) ; 2) ; 3) 0,01; 4) ; 5) D; 6) , D; 7) , ; 8.) , R2 .
.
11. (4; 0), (7; 4), (8; 2)
12. (2; 2), (5; 6), (6; 4)
13. (0; 2), (3; 6), (4; 4)
14. (4; 1), (7; 5), (8; 3)
15. (3; 2), (6; 6), (7; 4)
16. (-2; 1), (1; 5), (2; 3)
17. (4; -3), (7; 1), (8; -1)
18. (-2; 2), (1; 6), (2; 4)
19. (5; 0), (8; 4), (9; 2)
20. (2;3), (5, 7), (6; 5)
21-30. .
21. 22. 23.
24. 25. 26.
27. 28. 29.
30.
31-40. , . , , . .
31. 32. 33. 34.
35. 36. 37. 38.
39. 40.
41-50. .
41. 3 + 2 + z = 5 5 + 8 z = 7 42. + 2 + 4z = 31 + 2 + z = 4
) 2 + 3 + z = 1 ) + 2 + 3z = 1 ) 5 + + 2z = 29 ) 3 5 + 3z = 1
2 + + 3z = 11 2 3 + 2z = 9 3 + z = 10 2 + 7 7z = 8
43. 4 3 +2z = 9 3 + 2 + z = 5 44. 3 = 5 + 2 + 4z = 31
) 2 + 5 3z = 4 ) 2 + 3 + z = 1 ) 2 + + z = 0 ) 5 + + 2z = 29
5 + 6 2z = 18 2 + + 3z = 11 2 + 4z = 15 3 + z = 10
45. 3 + z = 4 4 3 +2z = 9 46. 2 3z = 3 3 = 5
) 2 5 3z = 17 ) 2 + 5 3z = 4 ) 3 + 4 5z = 8 ) 2 + + z = 0
+ z = 0 5 + 6 2z = 18 2 + 7z = 17 2 + 4z = 15
47. 3 + 4 + 2z = 8 + + 2z = 1 48. 2 + + 4z = 20 3 = 5
) 2 3z = 1 ) 2 + 2z = 4 ) 2 3z = 3 ) 2 + + z =0
+ 5 + z = 0 4 + + 4z = 2 3 + 4 5z = 8 2 + 4z = 15
49. + 5 z = 7 3 + z = 4 50. 11 + 3 z = 2 + + z = 2
) 2 z = 4 ) 2 5 3z = 17 ) 2 + 5 5z = 0 ) 2 6z = 1
|
|
3 2 + 4z = 11 + z = 0 + + z = 2 3 2 = 8
51-60. :
) -1 . -1 = -1 = , ,
) D=AB-BA+A-1 +BT, BT .
1 2 3 2 3 2 1 2 3 2 3 2
51. = 1 1 2, = 0 0 3 52. = 0 1 2, = 1 2 3
2 4 5 3 5 4 0 0 1 1 1 2
3 4 5 4 3 6 1 2 2 2 3 3
53. = 2 3 1, = 3 2 2 54. = 2 1 2, = 3 2 1
3 5 1 4 4 0 2 2 1 3 1 2
0 1 3 1 2 4 1 3 5 2 4 6
55. = 2 3 5, = 3 4 6 56. = 2 7 8, = 3 8 7
3 5 7 4 6 8 1 3 4 0 2 5
1 2 3 2 3 2 5 3 1 6 4 2
57. = 3 2 4, = 4 3 3 58. = 1 3 7, = 2 2 1
2 1 0 3 0 1 5 2 1 4 3 2
1 2 3 2 1 2 1 2 2 2 1 3
59. = 1 1 2, = 2 0 1 60. = 2 5 7, = 3 4 8
2 3 4 3 2 3 4 9 10 5 10 9
61-70. : 1) , 2) .
61. 5 + 8 z = 7 62. + 2 + z = 4
+ 2 + 3z = 1 3 5 + 3z = 1
2 3 + 2z = 9 2 + 7 z = 8
63. 2 z = 4 64. + + 2z = 1
3 + 4 2z = 11 2 + 2z = 4
3 2 + 4z = 11 4 + + 4z = 2
65. + + z = 2 66. 2 + z = 1
2 6z = 1 + + z = 6
3 2 = 8 3 + z = 4
67. + 5 + z = -7 68. 2 + 3z = 6
2 z = 0 2 + 3 4z = 16
2 z = 2 3 2 5z = 12
69. 2 + 3z = 7 70. = 4
+ 3 2z = 0 2 + 3 + z = 1
2 z = 2 2 + + 3z = 11
71-80. n.
|
|
71.
| |||||
| |||||
72.
73.
|
|
|
|
|
| |||||
75.
| |||||
| |||||
76.
77.
78.
79.
80.
81-90. , .
|
81. ) = 2; ) = 2; ) = ∞
|
82. ) = 1; ) = 2; ) = ∞
|
|
84. ) = 1; ) = 1; ) = ∞
|
|
85. ) = 2; ) = 2; ) = ∞
|
|
|
86. ) = 1; ) = 2; ) = ∞
|
|
|
|
87. ) = 2; ) = 1; ) = ∞
|
88. ) = 1; ) = 1; ) = ∞
|
|
|
89. ) = 2; ) = 2; ) = ∞
|
|
|
90. ) = 1; ) = 2; ) = ∞
|
,
91-100. . : 1) ; 2) ; 3) .
91. = 2 4, ≤ 2 92. = 9 2, ≤ 1
62, > 2 2+3, > 1
93. = 4+5, ≤ -1 94. = 2+2, ≤ 2
|
|
2-4, > -1 +1, > 2
95. = 2+3, ≤ -1 96. = 4-2, ≤ -2
3-2, > -1 3 + 2, > -2
97. = 2-2, < 1 98. = 4+2, < -2
1-4, ≥ 1 2+4, ≥ -2
99 = 2+1, ≤ 2 100. = 2-5, ≤ 1
-3, > 2 1-3, > 1