1. . . ( , , , .) , .
. , .. = (), = ' () . : ()
1 = ――.
2. . u(f) t. u'(t0) t0.
3. . , () ( , ), S () ,
= () + S (). (7.33)
, ,
d dS
― + ― = 1, (7.34)
d d
d
― - ;
d
dS
― - .
d
4. . . , 1%.
:
() = ― y' () = T, (7.35)
1
() = (ln y)'= ― y' (7.36)
- () .
( ). , 1%.
׀ () ׀>1, , ׀ () ׀ =1 ( ), ׀ () ׀ <1 .
7.
.
1) . .
2) .
3)
.
.
=f(x) :
1. (,b)
2. (,b)
3. , .. f(a)=f(b).
|
|
ξ(a,b), .
. =f(x) :
1. (,b)
2. (,b)
ξ(a,b), :
f'(ξ)= f(b)-f(a)/b-a.
() .
lim f(x)/g(x) = lim f'(x)/g'(x).
x→x0(∞) x→x0(∞)