.
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.
z = f (x, y) :
(, ) .
. - . . , . 0 .
.
y. , .
. , .
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. f (x). F (x): .
. F (x) f (x) (a, b),
. f (x) = 2 .
. - f (x) (a, b). (a, b)
(). . H (a, b). φ () (a, b) =>
.
. F (x) - f (x), f (x) F (x) + , .
. f (x) f (x): = F (x) + ,
?
I. .
II. .
1.
2.
3.
4.
5.
III.
1.
.
,
2. ( )
.
t=x+ 7 x=t- 7 dx = dt
3.
u (x), v (x) - .
.
=>
(= uv)
.
S .
f (x) [ a, b ], f (x) > 0 S? .
1.
.
[ a, b ] n
.
- .
S (n) , ,
n , ë () ,
: .
|
|
f (x) - [ a, b ] n
- ,
- .
f (x) n → ∞
, !