II :
(1), , f(x) .
f(x) = 0, (2) .
(.. (1)) .
, (1), .
(2).
: (2) (3).
(2) , (3) , .
:
1) (3) k1 k2 (.. D>0). (2) :
.
2) (3) k ( 2) (D=0), (2): .
3) (3) (D<0), (2): ,
, .
4.
, , .
. II .
, .
.
1 k = 1. : = 1 + 2 ( (3.5)).
1 2, . .. (0) = 1, (1) = 1 + 2 , ,
.
.. = 3 3 .
: : = 3 3 .
(1).
:
1) .
(2). (1) , .. 1, 2 . :
2) :
: (1) (2) * (1) : .
f(x). .
f(x) | (3) | ||
a | 0 0 | A Ax | |
a + b | 0 0 | Ax + B x(Ax + B) | |
a2 + bx + c | 0 0 | A2 + Bx + C x(A2 + Bx + C) | |
aemx | m m m | Aemx Axemx Ax2emx | |
(a + b)emx | m m m | ( + )emx ( + )emx 2( + )emx | |
a∙ cos nx + b∙ sin nx | in in | A∙ cos mx + B∙ sin mx x(A∙ cos nx + B∙ sin \nx) |
|
|
, , , (1) .
f(x) 1-6, .
. .
II .
:
1) .
: , k 1 = 2, k 2 = 3. .. 2 ( 1), (3.4) * = 1 2 + 2 3 .
2) .
f(x)= . 4 2. m = 1 , = Aex (1- 4 2). : = Aex; = Aex. , , , :
. .. = ex.
.. , = 1 2 + 2 3 + ex.
:
= 1 2 + 2 3 + ex.