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, 0 x , 0
F (x ) x 2 , 0 x , 1
7.21 , 1 x . 1
1 3
x ; x .
0 1
4 4
, 0 x , 0
1 2
F (x ) ( x ) 1 , 0 x , 3
7.22
4
, 1 x . 3
x ; 2 x . 4
0 1
, 0 x , 2
1 1 x
F (x ) arcsin , 2 x , 2
7.23 2 2
, 1 x . 2
x ; 2 x . 0
0 1
, 0 x , 0
1
7.24 F (x ) , x 0 x , 4
4
, 1 x . 4
x ; 1 x . 3
0 1
68