..
512.3(075.8)
22.141.7
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: . : , 2012. 59.
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. ., 2012
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I. ...... 6
II. ,
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1. ............................ 8
1.1. ................................... 8
1.2. .......................................... 10
2. ........................................ 11
2.1. ......................................11
2.2. ..........................................14
3. ............... 15
3.1. ..................................... 15
3.2. .......................................... 32
4. ................................ 35
4.1. .................................... 35
4.2. .......................................... 44
5. ............... 46
5.1. ..................................... 46
5.2. .......................................... 51
. ....................... 53
................................................... 59
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. . , . .
(1) [2, 5.110, . 87]. .
(2). , = 0 (2). (1), , = -8, = 8. , -8, 0, 8 - .
. , , , -1 .
, . , ? , , . , , , . .
, . . [1], [2], [3]. .
.., . , .
, , . . ( ), - . , f1(x)=g1(x) f2(x)=g2(x) () , , . , , . , . (.49). 1. : f1(x)=g1(x) f1(x) () g1(x), , D, f2(x)=g2(x), D.
, 1 3 + 3 2 - 4 - 12 = 0(+ 3)(- 2)(+ 2) = 0 , , =- 5, , . , () , .
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1 , f(x)=g(x) F(x)=0.
: F1(x) = 0 (1) D,
(), F1(x), D,
F2(x) = 0 (2) , .
: (1) (2) .
1 (1), x 1ÎD F1(x 1) = 0 . F1(x) F2(x). D , F2(x 1) . F2(x 1) = F1(x 1), F2(x 1) = 0 , , x 1 (2).
. 2 (2), x 2ÎD F2(x 2) = 0 . F2(x) F1(x). D , F1(x 2) . F1(x 2) = 0 , x 2 (1). .
, , , . , , . , , , .
, , .