.


:




:

































 

 

 

 


( ). .




.

, , . .

 

3.2.

 

. 30, , 30, , 30. . , 76.

 

76-2*30=16.

 

. , , .

 

3.3.

 

1

 

 

1.1

 

:

) ;

) ( );

) .

 

1. 2.
    3.     4.
    5.     6.
    7.     8.
    9.     10.

 

11. 12.
    13.     14.
    15.     16.
    17.     18.
    19.     20.
    21.     22.
    23.     24.

 

25. 26.
    27.     28.
    29.     30.

 

1.2

 

.

 

1. 2.
    3.     4.
    5.     6.
    7.     8.

 

9. 10.
    11.     12.
    13.     14.
    15.     16.
    17.     18.
    19.     20.
    21.     22.

 

23. 24.
    25.     26.
    27.     28.
    29.     30.

 

1.3

 

a, b :

) ;

) a b;

) c d;

) M, l .

1. A (4, 6, 3), B (-5, 2, 6), C (4, -4, -3), a = - , b = , c = , d = , l = AB, = 5, = 4.

 

2. A (4, 3, -2), B (-3, -1, 4), C (2, 2, 1), a = , b = , c = , d = , l = BC, = 2, = 3.

 

3. A (-2, -2, 4), B (1, 3, -2), C (1, 4, 2), a = , b = , c = , d = , l = BA, =2, =1.

4. A (2, 4, 3), B (3, 1, -4), C (-1, 2, 2), a = + , b = , c = b, d = , l = BA, = 1, = 4.

 

5. A (2, 4, 5), B (1, -2, 3), C (-1, -2, 4), a = , b = , c = b, d = , l = AB, = 2, = 3.

 

6. A (-1, -2, 4), B (-1, 3, 5), C (1, 4, 2), a = , c = b = , d = , l = AC, = 1, = 7.

 

7. A (1, 3, 2), B (2, 4, 1), C (1, 3, 2), a = + , B = , = b, d = , l = AB, = 2, = 4.

 

8. A (2, -4, 3), B (-3, -2, 4), C (0, 0, -2), a = - , b = c = , d = , l = AC, = 2, = 1.

 

9. A (3, 4, -4), B (-2, 1, 2), C (2, -3, 1), a = - , b = c = , d = , l = AB, = 2, = 5.

 

10. A (0, 2, 5), B (2, -3, 4), C (3, 2, -5), a = + , b = c = , d = , l = AC, = 3, = 2.

 

11. A (-2,-3, -4), B (2, -4, 0), C (1, 4, 5), a = - , b = c = , d= , l =AB, = 4, = 2.

 

12. A (-2, -3, -2), B (1, 4, 2), C (1, -3, 3), a = - , b = c= , d = , l = BC, = 3, = 1.

 

13. A (5, 6, 1), B (-2, 4,-1), C (3,-3,3), a = - , b = c = , d = , l = BC, = 3, = 2.

 

14. A (10, 6, 3), B (-2, 4, 5), C (3, -4, -6), a = - , b = c= , d = , l = AC, = 2, = 4.

15. A (3, 2, 4), B (-2, 1, 3), C (2, -2, -1), a = - , b = , c = , d = , l = AB, = 2, = 5.

 

16. A (-2, 3, -4), B (3, -1, 2), C (4, 2, 4), a = + , b = c = , d = , l = BC, = 2, = 5.

 

17. A (4, 5, 3), B (-4, 2, 3), C (5, -6, -2), a = - , b = c= , d = , l = BC, = 5, = 1.

 

18. A (2, 4, 6), B (-3, 5, 1), C (4, -5, -4), a = + , b = c = , d = , l = BC, = 1, = 3.

 

19. A (-4, -2, -5), B (3, 7, 2), C (4, 6, -3), a = + , b = c = , d = , l = BA, = 4, = 3.

 

20. A (5, 4, 4), B (-5, 2, 3), C (4, 2, -5), a = - , b = , c = , d = , l = BC, = 3, = 1.

 

21. A (3, 4, 6), B (-4, 6, 4), C (5, -2, -3), a = + , b = , c = , d = , l = BA, = 5, = 3.

 

22. A (-5, -2, -6), B (3, 4, 5), C (2, -5, 4), a = - , b = c = , d = , l = AC, = 3, = 4.

 

23. A (3, 4, 1), B (5, -2, 6), C (4, 2, -7), a = + , b = c = , d = , l = AB, = 2, = 3.

24. A (4, 3, 2), B (-4, -3, 5), C (6, 4, -3), a = - , b = c = , d = , l = BC, = 2, = 5.

 

25. A (-5, 4, 3), B (4, 5, 2), C (2, 7, -4), a = + , b = c = , d = , l = BC, = 3, = 4.

26. A (6, 4, 5), B (-7, 1, 8), C (2, -2, -7), a = - , b = , c = , d = , l = AB, = 3, = 2.

 

27. A (6, 5, -4), B (-5, -2, 2), C (3, -3, 2), a = - , b = c = , d = , l = BC, = 1, = 5.

 

28. A (-3, -5, 6), B (3, 5, -4), C (2, 6, 4), a = - , b = , c = , d = , l = BA, = 4, = 2.

 

29. A (3, 5, 4), B (4, 2, -3), C (-2, 4, 7), a = - , b = ,c = d = , l = BA, = 2, = 5.

 

30. A (4, 6, 7), B (2, -4, 1), C (-3, -4, 2), a = - , b = c = , d = , l = AB, = 3, = 4.

 

1.4

 

. : ) ; ) , ; ) , .

 

1. a = 2i - 3j + k, b = j + 4k, = 5i + 2j - 3k.

 

2. = 3i + 4j + k, b = i - 2j + 7k, = 3i - 6j + 21k.

 

3. a = 2i - 4j - 2k b = 7i + 3j c = 3i + 5j - 7k.

 

4. = -7i + 2k, b = 2i - 6j + 4k, c = i-3j + 2k.

 

5. = -4i + 2j - k, b = 3i + 5j - 2k, c = j + 5k.

 

6. a = 3i - 2j + k, b = 2j - 3k, c = -3i + 2j - k.

 

7.a = 4i j + 3k, b = 2i + 3j - 5k, c = 7i + 2j + 4k.

8. a = 4i + 2j - 3k, b = 2i + k, = -12i - 6j + 9k.

 

9. a = -i + 5k, b = -3i + 2j + 2k, = -2i - 4j + k.

 

10. a = 6i - 4j + 6k, b = 9i - 6j + 9k, = i - 8k.

 

11. a = 5i - 3j + 4k, b = 2i - 4j - 2k, c = 3i + 5j - 7k.

 

12. = -4i + 3j - 7k, b = 4i + 6j - 2k, = 6i + 9j - 3k.

 

13. = -5i + 2j - 2k, b = 7i - 5k, c = 2i + 3j - 2k.

 

14. a = -4i - 6j + 2k, b = 2i + 3j - k, c = -i + 5j - 3k.

 

15. a = -4i + 2j - 3k, b = -3j + 5k, = 6i + 6j -4k.

 

16. = -3i + 8j, b = 2i + 3j - 2k, c = 8i + 12j - 8k.

 

17. a = 2i - 4j - 2k, b = -9i + 2k, c = 3i + 5j - 7k.

 

18. a = 9i - 3j + k, b = 3i - 15j + 21k, c = i - 5j + 7k.

 

19. = -2i + 4j - 3k, b = 5i + j - 2k, c = 7i + 4j k.

 

20. = -9i + 4j - 5k, b = i - 2j + 4k, c = -5i + 10j - 20k.

 

21. a = 2i - 7j + 5k, b = -i + 2j - 6k, c = 3i + 2j - 4k.

 

22. a = 7i - 4j - 5k, b = i - 11j + 3k, = 5i + 5j + 3k.

 

23. a = 4i - 6j - 2k, b = -2i + 3j + k, c = 3i - 5j + 7k.

 

24. a = 3i j + 2k, b = -i + 5j - 4k, c = 6i - 2j + 4k.

 

25. = -3i j - 5k, b = 2i - 4j + 8k, c = 3i + 7j k.

 

26. = -3i + 2j + 7k, b = i - 5k, c = 6i + 4j k.

 

27. a = 3i j + 5k, b = 2i - 4j + 6k, c = i - 2j + 3k.

28. a = 4i - 5j - 4k, b = 5i - j, c = 2i + 4j - 3k.

 

29. = -9i + 4k, b = 2i - 4j + 6k, c = 3i - 6j + 9k.

 

30. a = 5i - 6j - 4k, b = 4i + 8j - 7k, c = 3j - 4k.

 

1.5

 

1(), 2(), A3() 4(). :

) 1 2 3;

) 1 2;

) 4 , 1 2 3;

) 3 N, 1 2;

) , 4 1 2.

:

) 1 4 1 2 3.

) 1 2 3.

 

1. 1(3, 1, 4), 2(-1, 6, 1), 3(1, 1, 6), 4(0, 4, -1).

 

2. 1(3, 5, 4), 2(5, 8, 3), 3(1, 2, -26), 4(-1, 0, 2).

 

3. 1(2, 4, 3), 2(1, 1, 5), 3(4, 9, 3), 4(3, 6, 7).

 

4. 1(9, 5, 5), 2(-3, 7, 1), 3(5, 7, 8), 4(6, 9, 2).

 

5. 1(0, 7, 1), 2(2, -1, 5), 3(1, 6, 3), 4(3, -9, 8).

 

6. 1(5, 5, 4), 2(1, -1, 4), 3(3, 5, 1), 4(5, 8, -1).

 

7. 1(6, 1, 1), 2(4, 6, 6), 3(4, 2, 0), 4(1, 2, 6).

 

8. 1(7, 5, 3), 2(9, 4, 4), 3(4, 5, 7), 4(7, 9, 6).

 

9. 1(6, 8, 2), 2(5, 4, 7), 3(2, 4, 7), 4(7, 3, 7).

 

10. 1(4, 2, 5), 2(0, 7, 1), 3(0, 2, 7), 4(1, 5, 0).

 

11. 1(4, 4, 10), 2(7, 10, 2), 3(2, 8, 4), 4(9, 6, 9).

 

12. 1(4, 6, 5), 2(6, 9, 4), 3(2, 10, 10), 4(7, 5, 9).

 

13. 1(3, 5, 4), 2(8, 7, 4), 3(5, 10, 4), 4(4, 7, 8).

 

14. 1(10, 9, 6), 2(2, 8, 2), 3(9, 8, 9), 4(7, 10, 3).

 

15. 1(1, 8, 2), 2(5, 2, 6), 3(5, 7, 4), 4(4, 10, 9).

 

16. 1(6, 6, 5), 2(4, 9, 5), 3(4, 6, 11), 4(6, 9, 3).

 

17. 1(7, 2, 2), 2(-5, 7, -7), 3(5, -3, 1), 4(2, 3, 7).

 

18. 1(8, -6, 4), 2(10, 5, -5), 3(5, 6, -8), 4(8, 10, 7).

 

19. 1(1, -1, 3), 2(6, 5, 8), 3(3, 5, 8), 4(8, 4, 1).

 

20. 1(1, -2, 7), 2(4, 2, 10), 3(2, 3, 5), 4(5, 3, 7).

 

21. 1(4, 2, 10), 2(1, 2, 0), 3(3, 5, 7), 4(2, -3, 5).

 

22. 1(2, 3, 5), 2(5, 3, -7), 3(1, 2, 7), 4(4, 2, 0).

 

23. 1(5, 3, 7), 2(-2, 3, 5), 3(4, 2, 10), 4(1, 2, 7).

 

24. 1(4, 3, 5), 2(1, 9, 7), 3(0, 2, 0), 4(5, 3, 10).

 

25. 1(3, 2, 5), 2(4, 0, 6), 3(2, 6, 5), 4(6, 4, -1).

 

26. 1(2, 1, 6), 2(1, 4, 9), 3(2, -5, 8), 4(5, 4, 2).

 

27. 1(2, 1, 7), 2(3, 3, 6), 3(2, -3, 9), 4(1, 2, 5).

 

28. 1(2, -1, 7), 2(6, 3, 1), 3(3, 2, 8), 4(2, -3, 7).

 

29. 1(0, 4, 5), 2(3, -2, 1), 3(4, 5, 6), 4(3, 3, 2).

 

30. 1(3, -1, 2), 2(-1, 0, 1), 3(1, 7, 3), 4(8, 5, 8).

 

1.6

 

 

1. , , (-2, 7, 3) - 4 + 5 z - 1 = 0.

2. , 1 2 , 1(1, 5, 6), 2(-1, 7, 10).

3. (2; 0; -0,5) 4 - 4 + 2 z + 17 = 0.

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

5. , (2, 5, -1).

6. , (2, 5, -1), (-3, 1, 3) .

7. , (3, 4, 0) - 2 = - 3 = z + 1 .

1 2 2

8. , - 3 = = z - 1 + 1 = - 1 = z.

2 1 2 2 1 2

9. , 3 - - 7 z + 9 = 0 , (3, 2, -5).

10. <<>>, (6, -10, 1) = -3, z - = 2.

11. , (2, 3, -4) = (4, 1, -1) b = (2, -1, 2).

12. , (1,1,0), (2,-1,-1) 5 + 2 + 3 z -7= 0.

13. , 2 - 3 + z - 1 = 0 - + 5 z +3 = 0.

14. , (3, -1, 2), (2, 1, 4) = (5, -2, -1).

15. , , (5, -2, 3), (1, -3, 5).

16. , , (2, -3, 3) 3 + - 3 z = 0.

17. , (1, -1, 2) 1 2, 1(2, 3, -4), 2(-1, 2, -3).

 

 

18. ,

+ 3 - 2 z + 1 = 0, = t + 7, = t - 2, z = 2 t + 1 .

19. , (3, -4, 1) z.

20. , (3, -5, 2).

21. , (1, 2, 3) N (-3, 4, -5) z.

22. , (2, 3, -1) = t - 3, = 2 t + 5, z = -3 t + 1.

23. (4, -3, 1) - 2 - z - 15 = 0.

24. , - 4 + z - 1 = 0 2 + + 10 z - 3 = 0 .

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

26. n

+ 2 - 2 z - 7 = 0?

27. , (2, 3, -1), (1, 1, 4) - 4 + 3 z + 2 = 0.

28. , + 5 - z + 7=0 3 - + 2 z - 3=0.

29. , (2, 3, -5) N (-1, 1, -6) = (4, 4, 3).

30. , 3 - 5 + z - 3 = 0 - 3 + 2 z + 5 = 0 .

 

1.7

 

 

1. , 3 - 2 - 7 = 0 + 3 - 6 = 0 , 3.

2. (-8, 12) , (2, -3) (-5, 1).

3. : (-4, 4), (4, -12) (4, 2) . .

4. , , 2, 2 - = 3.

5. , (2, -3) 2 - = 5 + = 1.

6. , D - , (3, 6), (5, 2), (-1, -3), D (-5, 5).

7. , (3, 1) , (2, 5), (1, 0).

8. , (-2, 1) MN, (-3, -2), N (1, 6).

9. , (2, -1) - 2 + 3 = 0.

10. D, (-1, -3), (3, 5), (5, 2), D (3, -5).

11. 6 -4 +5=0, 2 +5 + 8=0 , .

12. 4 + = 12, 5 - 4 = 12 + = 6. .

13. : (-6, 2), (2, -2) (1, 2). .

14. , , (-4, 2), (3, -5), (5, 0).

15. , , (2, 3), (0, -3), (6, -3).

16. , , : - 2 - - 3 = 0, - + 5 - 7 = 0, - 3 - 2 + 13 = 0.

17. (3, 1), (-3, -1) (5, -12). , .

18. , 2 + 5 - 8 = 0 2 + 3 + 4 = 0.

19. 3 + 5 - 15 = 0, .

20. : - = 0, + 3 = 0, - - 4 = 0, 3 + - 12 = 0. .

21. , (4, 6), (-4, 0), (-1, -4).

22. (5, 2) : ) ; ) ; ) .

23. , (-2, 3) : ) 450; ) 900; )00.

24. , (-6, -6) (-3, -1) , 3?

25. 2 - 5 - 1 = 0 + 4 - 7 = 0 , (4, -3) (-1, 2) l = 2/3.

26. 2 - 5 - 1 = 0 2 - 5 - 34 = 0 +3 -6=0. .

27. , (-3, 1), (7, 5) (5, -3).

28. , (-1, 1) 450 2 + 3 = 6.

29. 2 -3 +1=0, + 2 + 1 = 0 (2, 3). .

30. - 2 = 0, - - 1 = 0 (3, -1). .

 

1.8

 

().

 

1. ) 4 2 - 2 - 16 z 2 + 16 = 0; ) 2 + 4 z = 0.

 

2. ) 3 2 + 2 + 9 z 2 - 9 = 0; ) 2 + 2 2 - 2 z = 0.

 

3. ) -5 2 + 10 2 - z 2 + 20 = 0; ) 2 + 4 z 2= 5 2.

 

4. ) 4 2 - 8 2 + z 2 + 24 = 0; ) 2 - = -9 z 2.

 

5. ) 2 - 6 2 + z 2 = 0; ) 7 2 - 3 2 - z 2= 21.

 

6. ) z = 8 - 2 - 4 2; ) 4 2 + 9 2 + 36 z 2= 72.

 

7. ) 4 2 + 6 2 - 24 z 2 = 96; ) 2 + 8 z 2= = 20 2.

 

8. ) 4 2 - 5 2 - 5 z 2 + 40 = 0; ) = 5 2 + 3 z 2.

 

9. ) 2 = 8( 2 + z 2); ) 2 2 + 3 2 - z 2= 18.

10. ) 5 z 2 + 2 2 = 10 ; ) 4 z 2 - 3 2 - 5 2 + 60 = 0.

 

11. ) 2 - 7 2 - 14 z 2 - 21 = 0; ) 2 = 2 + 4 z 2.

 

12. ) 6 2 - 2 + 3 z 2 - 12 = 0; ) 8 2 + 2 z 2 = .

 

13. ) -16 2 + 2 + 4 z 2 - 32 = 0; ) 6 2 + 2 - 3 z 2 = 0.

 

14. ) 5 2 - 2 - 15 z 2 + 15 = 0; ) 2 + 3 z = 0.

 

15. ) 6 2 + 2 + 6 z 2 - 18 = 0; ) 3 2 + 2 - 3 z = 0.

 

16. ) -7 2 + 14 2 - z 2 + 21 = 0; ) 2 + 2 z 2 = 6 2.

 

17. ) -3 2 + 6 2 - z 2 - 18 = 0; ) 2 - 2 = - z 2.

 

18. ) 4 2 - 6 2 + 3 z 2 = 0; ) 4 2 - 2 - 3 z 2 = 12.

 

19. ) z = 4 - 2 - 2; ) 3 2 + 12 2 + 4 z 2 = 48.

 

20. ) 4 2 + 5 2 - 10 z 2 = 60; ) 7 2 + z 2 = 14 2.

 

21. ) 9 2 - 6 2 - 6 z 2 + 1 = 0; ) 15 = 10 2 + 6 2.

 

22. ) 2 = 5 ( 2 + z 2); ) 2 2 + 3 2 - z 2 = 36.

 

23. ) 4 2 + 3 2 = 14 ; ) 3 2 - 4 2 - 2 z 2 + 12 = 0.

 

24. ) 8 2 - 2 - 2 z 2 - 32 = 0; ) - 4 z 2 = 3 2.

 

25. ) 2 - 6 2 + z 2 - 12 = 0; ) - 3 z 2 = 9 2.

 

26. ) 2 2 - 3 2 - 5 z 2 + 30 = 0; ) 2 2 + 3 z = 0.

 

27. ) 7 2 + 2 2 + 6 z 2 - 42 = 0; ) 2 2 + 4 2 - 5 z = 0.

 

28. ) -4 2 + 12 2 - 3 z 2 + 24 = 0; ) 2 2 + 6 z 2 = 3 .

 

29. ) 3 2 - 9 2 + z 2 + 27 = 0; ) z 2 - 2 = -4 2.

 

30. ) 27 2 - 63 2 + 21 z 2 = 0; ) 3 2 - 7 2 - 2 z 2 = 42.

 

2

 

 

2.1

 

.

1. .

 

2. .

 

3. .

 

4. .

 

5. .

 

6. .

 

7. .

 

8. .

 

9. .

10. .

 

 

12. .

 

13. .

 

14. .

 

15. .

 

 

 

18. .

 

 

 

22.

 

 

 

 

 

27.

 

28.

 

29.

 

30.

 

2.2

 

 

1.

 

2.

 

3.

 

4.

 

5.

 

6.

 

7.

 

8.

 

9.

 

10.

 

11.

 

12.

 

13.

 

14.

 

15.

 

16.

 

17.

 

18.

 

19.

 

20.

 

21.

 

22.

 

23.

 

24.

 

25.

 

26.

 

27.

 

28.

 

29.

 

30.

 

2.3

 

, .

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16.

 

17.

 

 

 

 

 

 

 

25.

 

26.

 

27.





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