2.1
: ( , ). :
.
1. .
,
= /. = 0.
.
. , , = , .
2. .
2.2
. . 2.1.
2.3
() : -
. . 2.1
3.
.
f ,
. . 2.2.
4.
, :
0 =1, 0 = 2.
,
.
,
2.4 -
-
() : , k .
= -k - , . . 2.1.
-
z = ex
2.5
|
|
y = uv, v = v(x) [ v = e-F, ]. = () ,
5. :
y = u z,
, :
, = 2 + 1. , = 1 v = + C. = 1, = 2, = 0. = (2+ 1 ).
2.6
z = y1-a .2.5. ,
6.
=1/2, = z 2 , .
2.7
= / . . 2.1.