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, 0 x , 1
1
F (x ) 3 x , 1 1 x , 7
7.17
2
, 1 x . 7
x ; 1 x . 6
0 1
, 0 x , 1
2
F (x ) ( x ) 1 , 1 x , 2
7.18
, 1 x . 2
x ; 1 x 3 .
0 1 2
, 0 x , 3
( x ) 3 2
F (x ) , 3 x , 1
7.19 16
, 1 x . 1
x 0 1 ; x 1 . 2
2
, 0 x , 0
F (x ) sin , x 0 x ,
7.20 2
, 1 x 2 .
x ; x .
0 1
4
67