.


:




:

































 

 

 

 


: . .




 

= f() (a; b), , - .

= f() (a; b), , - .

0, .

() : f′′() = f() (a; b), . f′′() 䒺 (a; b), .

: f′′() = f() 0 , (0; f(0)) .

 

. : =- 65 + 4 + 3.

: D() = (-; +).

:

′ = 65 304 + 303 + 3;

′′ = 304 1203 + 902 = 302(2 4 + 3).

:

302(2 4 + 3) = 0 302 = 0 2 - 4 + 3 = 0.

: 1,2 = 0, 3 = 1, 4 = 3.

 

 

 

 

 

+ + - +

 

 

0 1 3

, (-; 1)(3; +,

(1; 3).

:

(1) = 1 6 + + 3 = 7,5 2 = 5,5.

(3) = 729 1458 + 607,5 + 9 = 112,5.

 

, . .

= () , () = () =, = .

= b = () , : k =, b = (() k).

. 1,2, 3 .

 

. 1 . 2 . 3

.

(), .

Oy . 3.

L . 1 2.

.

= b, k = 0, b

: : =.

: D() = (- (-1; +).

: = = = = = = -.

, = - 1 .

:

k = == () = 1,

b = (() k) = (- ) = = () = 2.

, = + 2 .

 

:

. :

1) = 2 6 + 7;

2) = 4 62 + 5 9;

3) = 6 34 + 32 4;

4) =;

5) =.

 

. :

1) =;

2) =;

3) =;

4) = 2 -;

5) =.

 

:

. :

1) = 32 2;

2) = 3 32 + 4 5;

3) = 5 103 + 6 + 2;

4) = + 3;

5) =.

 

. :

1) =;

2) =;

3) =

4) =;

5) =.

 





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