Σειρές

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Σειρές

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  • 1 pi 3

    .

    : 0,999=1.

    pi ([email protected]) H pi . (). pi . 1. (pi ) ( ) (=1,2,3,).

    ( ) : 1 21

    ... , 1,2,3,...

    =

    = = + + + =

    : ( ) ( )( ), , (pi )

    1

    +

    = ( ,

    : 1 2 ... , 1,2,3,... = + + + = ).

    ( ) 1

    +

    = .

    ( ) 1

    +

    = .

    , pi 1

    +

    = ,

    : 1 21

    ...

    =

    = = + + + , pi ( ) ,

    . ( )

    1

    +

    = .

    1

    +

    = : 1 2 ... ... + + + + pi : 1 2 ... + +

    (pi pi pipi),: ( )

    1 1, N

    + +

    = =

    = =

    2. 1

    +

    = pi { },R R = + ,

    , ( ) pi . , , : lim = ( pi , , : lim + , : lim = ). : 1 2 3 ... + + + pi , , , (, = + , pi = pi ). pi, , pi .

    pipi pi,

    ( pipi) , pipi pi pi , .. pi pi, pi

    pi .

    ( pi ), : lim = . :

  • 2 pi 3

    1 2 ... + + pi , . pi, , : : 1 2 ... + +

    , lim = , , pi :

    1

    +

    =

    = 1 2 3 ... + + + = . (1) pi

    , pi ,

    { },R R= + . . pi, pi pipi pi (1) 10. , pi, : lim = , pi: 10lim 10 = , pi pi pi : 1 2 310 10 10 ... + + + 10 pi : 1 2 310 10 10 ... 10 + + + = . , ( , A - 2010- 136) . , pi pi pi , pi pi

    ( pipi pi pi pi pipi). . pi (1) (pi =). , pi, pi, pi :

    1

    1 12

    +

    =

    = (2) 1

    1 1( 1) +

    =

    =+ (3), :

    1 1

    1 12 ( 1)

    + +

    = =

    =+ (4) :

    1 12 ( 1) = + , N

    , pi. ,

    pi (2) (3) ( pi pi pipi), pi pi, pi (4). (2) (3) pi ()

    1

    12

    +

    =

    1

    1( 1)

    +

    = + .

    pi . pi.

    : 0,999=1. pi , : 0,999, pi , :

    2 39 9 9

    ...

    10 10 10+ + +

    : 2 3

    1 19 9 9 9 9 110lim lim ... lim . lim 1 1110 10 10 10 10 10110

    = + + + + = = =

    .

    , : 0,999 1. : 0,999=1. pi pi , , 0,999 1 ( ). pi , pi pi pipi, :

    2 39 9 9 9lim ... 1

    10 10 10 10

    + + + + =

    .

    ---- , :

    1 20 20

    ...

    10 10 10y y yy

    +

    = = + + +

  • 3 pi 3

    pi: 0y Z { } *0,1,2,3,4,5,6,7,8,9 ,y ( ), . pi pi: 1. pi ( pi ). 2. pi , pi :

    1 20 20

    ...

    10 10 10y y yy

    +

    = = + + + ,

    pi: 0y Z { } *0,1,2,3,4,5,6,7,8,9 ,y , pi ( ). pipi pi

    * 9y = , >, .

    pi : 1 20 2 ...10 10y yy + + + , pi

    . : 0 1 20, ...y y y+ : 0 1 2 3, ...y y y y ,

    0 0y . pi, , pi pi pipi, : 0 1 2, ...y y y = ( 0 0y ), pi 0 1 2, ...y y y 0y pi : 1 2 3, , ,...y y y ( , ). , pi , : 1 2 ... + + + , pi , (pi ) . : :

    , =1,2,...,0,

    = >

    : 1 2 1 21

    ... lim( ... )

    +

    =

    + + + = + + + = , :

    1 2 1 2... 0 0 ... ... + + + + + + = + + + . (5). : 1 2 ... + + + ( pi pi , =1) . , pi pipi, (5) pi :

    ( )1 2lim ... + + + = 1 2 ... + + + pi , : 1 2 ... 0 0 ... + + + + + + (): 1 2 ... + + + . pi . pipi ,

    (, pi pi ).

    1. pipi .: (1962) 2. pi .: , 1,- (1976) 3. .: (2003) 4. .: (2005) 5. pi .: (1993) 6. Anderson K. and Hall D.: ELEMENTARY REAL ANALYSIS (McGraw-Hill Book Comp.) 7. Gaskill H.-Narayanaswami P.: FOUNDATIONS OF ANALYSIS (Harper & Row,New York) 8. Goldberg R.: Methods of Real Analysis (Blaisdell Publishing Company) 9. Kirkwood J.: An Introduction to Analysis (PWS-KENT, Boston) 10. Maddox I.: Introductory Mathematical Analysis (Adam Hilger Ltd, Bristol) 11. Protter M.-Morrey C.: A First Course in Real Analysis (Springer-Verlag, New York-Berlin) 12. Olmsted J.: THE REAL NUMBER SYSTEM (APPLETON-CENTURY-CROFTS-New York)