4 :
1) ( )
2) ( , , )
3) -
4) (Matcad, ..).
.. . - .
-.
8.3.()
f () [ a, b ], Î[ a, b ] ()= [ a, b ] ¢() = f ().
. , , . () : ¢() = . ():
, " Î[ a, b ] "D : +D Î[ a, b ] $ Î [ x, +D ] ,
= f ()D . f () [ a, b ], D 0 f () f ().
¢() = = ,
.. () [ a, b ], . , " Î[ a, b ] ¢() = f (). .
()= f (). .. ¢()= ,
()=
f () [ a, b ]. , , [ a, b ] . , 14.2. .
, , ()= f () [ a, b ]. , , F(x) f () [ a, b ], () = F(x) + ,
= F(x) + .
= , = F(a) + , 0 = F(a) + , = F(a)
= F(x) F(a).
= b,
= F(b) F(a).
-. F(b) F(a) = ,
= = F(b) F(a).
- , . , .
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. - f (), .