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6.21. f(x)= . 6.22. f(x)= ax, a>0, a 1.

6.23. f (x)= sin 3x. 6.24. f(x)= e-5x.

6.25. f(x)= cos x2. 6.26. f(x)= .

6.27. f(x)= x3 e5x. 6.28. f(x)= x2cos2x.

6.29. f(x)= sin2 x. 6.30. f(x)= cos2x.

: [1; 2; 6; 7; 9]

- : [1; 5]

3.

7.

1.2. :

) (1; 2; 1) + (-1; -1; -2)

) (1; 1; -3; 2) + (-1; -1; -3; -2)

) 4 × (4; 1; 2; 0) - 7 × (2; -1; 0; 5)

) 5 × (-1; 3; -2) - 2 × (5; 0; -5) + 3 × (5; -5; 0)

: [1; 2; 6; 7; 9]

- : [3; 6]

8.

2.1. a b p/6, | | = 2 | b | = 5. (a, b).

2.2. a b p/4, | | = 4 | b | = 3. (a, b).

2.3. a b 2p/3, | | = 3 | b | = 2. (a, b).

2.4. a b p/6, | | = 2 | b | = 1.

(2 a 3 b, 4 a + 2 b).

2.5. a b p/4, | | = 4 | b | = 3.

(2 a 3 b, a + 2 b).

2.6. a b 2p/3, | | = 3 | b | = 2. (a 3 b, 4 a + 2 b).

2.7. A = (1;2), B = (3;0), C = (6;2). , A .

2.8. A = (3;1), B = (1;-1), C = (0;2). , A .

2.9. ,

A = (1;2) B = (3;8).

2.10. ,

A = (1;2) B = (3;4).

2.11. ,

A = (-1;0) B = (-1,3).

2.12. A = (1;-2;5) a = (-3;4;7). , A a.

2.13. A = (1;2;0), B = (3;0;-3), C = (6;2;-2). , A .

2.14. A = (1;2;-1), B = (1;0;-1), C = (0;2;2). , A .

2.15. M0 = (2;3;-1) , A = (1;2;-1) . .

2.16. M0 = (3;4;-2) , . .

2.17. A = (1;2;0), B = (3;0;-3), C = (6;2;-2). , A .

2.18. A = (1;2;-1), B = (1;0;-1), C = (0;2;2). , A .

2.19. A = (1;2;0) B = (3;0;-3). , A B.

2.20. A = (3;-2;1) B = (5;0;2). , A B.

2.21. A = (1;-3;2) L: = = . , A L.

: [1; 2; 6; 7; 9]

- : [3; 6]





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