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³




8. : 1) (5, 7) (2, 3); 2)
( 10, 8) (2, 3); 3) (0, 3) ( 4, 0); 4) (4, 5) (2, 3); 5) ( 10, 10) ( 2, 5); 6) (m, n sina) i (m cosa, n).

9. : 1) (3, 4); 2) (2½, 6); 3) ( + b, a b).

10. , : 1) (4, 5), ( 1, 7), ( 2, 3); 2) (2, 3), (8, 5), ( 7, 3);
3) (0, 0), (15, 8), (5, 7); 4) (3, 0), (3, 11), ( 9, 16).

11. , 8 15, . .

12. , : (1½, 2), (2, 2), ( 3, 10), ( 4½, 6).

13. , : (3, 5), (6, 9), (11, 1), ( 3, 3).

14. , (10, ) (2, 7) 17.

15. (0, 8) (4, 5). , .

16. , 2, (15, 3) (8, 10). .

17. ,
( 4, 12), (8, 4), ( 6, 2).

18. , : 1) (8, 3) (4, 5); 2) ( 5, 2) ( 2, 4); 3) (1½,0) ( 2½, 5).

19. ³ (3, 0) (5, 4) 4 . .

20. : (4, 3),
( 3, 5), (0, 4). .

21. ³ (, 4) ( 6, )
( 1, 1) . .

22. ³ ( 5, 2) (, )
( 1½, 1) . .

23. : (7, 4),
( 4, 6), (2, 5). .

24. : (2, 3) ( 3, 4), . .

25. (2, 3) . (4, 5).

26. ( 3, 1), (3, 2), ?

27. г : . , (2, 3)?

28. , , (2, 5), ( 1, 0), ( 2, 4) . , , (1, 1) .

, . 2931.

29. , r j : 1) r = 3, j = p/3; 2) r = 5, j = p/4; 3) r = 4,
j = p/2; 4) r = 2, j = p; 5) r = 2, j = ½p; 6) r = 4, j = p.

30. г, , : 1) r = 3cos t; 2) r 2sin2 t = a 2;
3) r 2 = a 2cos2 t; 4) r = a (1 + cos t); 5) r 2cos2 t = a 2.

31. г, , : 1) ; 2) ; 3) ; 4) ; 5) .

̳

32. , ( 2, 1) 30 2 = 3.

33. , 45
3 + 2 = 0 .

34. 3 3 7 = 0 , (3, 4) (7, 2).

35. 2 3 = 5 , 1 5, 3 + 4 =2 , 2 6. , . .

36. , , .

37. . .

38. , (5, 5). .

39. , , 5, (3, 2) ( 5, 4).

40. , (12, 4), , (8, 9) ( 7, 7) 9.

41. , . , .

42. (1, 2), ( 1, 1)
(2, 3). , , , .

43. , .

44. ij 8 15. , .

45. 12, 10. , , .

46. 6 8. , , , .

47. , , . .

48. , : , (2, 3) (7, 5), .

49. (2, 1) , , (5, 2) (7, 5), .

50. , , . , ( 3, 3), (4, 6).

51. : (3, 3)
(5, 3). .

52. : ( 1, 3)
(3, 1). .

53. , , j . .

54. , . .

55. (3, 4) (1, 2). 45. .

56. . , .

57. , .

58. . , .

59. , , : .

60. (10, 9) . : 1) , ; 2) ; 3) , .

61. (1, 2), ( 1, 1) ( 2, 3). , , , .

62. , , .

63. . ϳ ? ; .

64. (5, 3) . , , .

65. , . .

66. . , , .

67. , , , .

68. (1, 2) . , , , .

69. , .

70. F , N. , N, , , , FN.

71. , 0,6. , .

72. , (2, 3)
(4, 1). .

73. ³ , . .

74. , (5, 7), (2, 2)
( 1, 7), D (7, 18) . , , .

75. . , .

76. . , (5, 12), , .

77. 60 . . .

78. (1, 3) (2, 2) . .

79. . , .

80. , , 5. , , , , , .

81. , . .

82. . , . ( ).

83. ( 4, 6) . , .

84. . , , , .

85. , . , , , .

86. ( 4, 2) (7, 1).

87. ³, , 10. - , , .

88. , 18, ,
( 1, ). , .

89. (1, 2) . , , , .

90. (3, 4) . , .

91. , : , , .

92. , .

93. . , , .

94. (1, 2), ( 1, 1)
(2, 3). , , , .

95. , . , . , .

96. , . . .

1. , , b , .

2. , .

3. , 1, = 60, = 120 = 120. D (. ).

4.
1(2, 1, 2) 2(1, 2, 1)

5.
1(1, 1, 2) 2(2, 1, 1), : = 60, = = 90.

6. , , Ð xOy Ð zOx . .

7. ᒺ , 1, 1 2, , , 120, 150 60.

8. , , .

9. , OAEDCBGF D, 1, 2 3, , . 3.70.

10. , .

11. , 1(1, 2, 1) 2( 1, 2, 1), , 1 2, .

12. , 1(1, 2, 1) 2(1, 2, 1), 1 2, .

13. , 1. , , .

14. , , , ( ) l.

15. . (1, 2, 3). .

1 Y 1 Z 1
X
Y
Z  

16. , 0( 0, 0, z 0) 1( 1, 1, z 1) .

17. (2, 1, 0) , 2.

18. .

19. ?

20. :

) , , ;

) , , .

21. , , , .

22. , , . , .

23. ,

) 1(2, 1, 1), 2(1, 2, 1) 3(2, 2, 1);

) 1(1, 1, 3), 2(2, 0, 3), 3(1, 1, 1).

24. 1(1, 1, 1), 2(1, 1, 1), 3(1, 1, 1) 4(1, 1, 1).

25. , 2, 3 4.

26. , .

27. ,
(1, 2, 1) Oz , 2 1.

28. , (1, 2, 1) y , 2 3.

29. , , .

30. , .

31. (1, 1, 1) , .

32. (1, 1, 1) 1((2, 2, 2) .

33. (2, 0, 0) 1(0, 2, 0) 45 .

34. ǒ, 1(2, 1, 1), 2(2, 1, 3) .

35. , , , , , .

36. ᒺ , .

37. 1(1, 1, 1), 2( 1, 1, 1), 3(1, 1, 1), 4(1, 1, 1).

38. (2, 1, 1) .

39. (1, 2, 1) .

40. ( 0, 0, z 0) , , , .

41. , .

42. , .

43. Oz , .

44. , , .

45. , , , .

46., , , .

47. , , , .

48. (3, 2, 30), .

49. , (1, 1, 1), 1(2, 1, 1) 2( 1, 1, 2).

50. , 1(1, 1, 2), 2( 1, 2, 1), 3(1, 1, 1).

51. ³, , , . l , .

52. , , .

53. (1, 4, 1) , = 0, , .

54. , .

55. , , . .

56. :

57. ,

.

58.

59.

60. j , .

61. 1(2, 1, 2), 2(1, 2, 1).

62. 1(3, 0, 1), 2( 1, 2, 2).

63. : 1) (2, 1, 3), 1(1, 1, 2);
2) (1, 2, 1), 1(1, 2, 3).

64. : 1) (1, 2, 1), 1(1, 3, 2);
2) (2, 1, 1), 1(3, 1, 1).

65. (1, 2, 1) , .

66. ( 1, 1, 2) , .

67. (1, 2, 1) , :

1) ; 2)

68. (2, 2, 1) , , .

69. (2, 1, 1) ,

,

70. (1, 2, 1) ,

71. (1, 2, 1) , , .

72. (2, 1, 1) , , .

73. (1, 1, 2) , , .

74. (1, 2, 1) ,

75. (2, 1, 1) ,

.

76. ,
(2, 1, 1) .

77. , (1, 1, 2) .

78. , , .

79. , .

80. , , .

81. 1(2, 1, 1), 2( 1, 2, 2), 3(4, 3, 1).

82. , .

83. .

84. (2, 1, 1) .

85. ( 1, 2, 0) .

86. l , .

87. , .

88. , .

89. , (0, 1, 1) , .

90.

91.

= 0, = z z = 0, x + y 1 = 0.

92.

.

93.

94. , .

95. (2, 1, 1) , y, xz, yz.

96. (1, 1, 1) , .

97. , .

98. ,

, , .

99. ,

+ y + z = 0.

100. ,

101. , .

102. , .

103. ,

.

104. , .

105. , , .

106. , xOy .

107. , .

108. , , , .

109. ,
( 1, 1, 1).

110. , (2, 1, 1).

111. , .

112. , (1, 1, 1).

113. , .

114. . , .

.

115. .

116. .

117. .

118. .

119. .

120. .

121. .

122. .

123. .

124. .

125. .

126. .

127. .

128. .

129. .

130. .

131. .

132. .

:

133. .

134. .

135. .

136. , .

137. (a, b, g) , , .

138. , .

 
 





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