:
:
, :
.
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]