:
: PPT WORD
, , (arc length), P(x)(x,f(x))P(c)P(d), P(c) P(d) (arc)P(c) P(d), P(c)P(d)
f,(Xi-1Xi)Zi,
.fa,b,P(a) P(b)
, , , ,
1. ,
:
Pn = {x0 , x1 , x 2 ,L, x n } [a, b] ,( x 0 , f ( x 0 )), ( x1 , f ( x1 )), ( x 2 , f ( x 2 )) L , ( x n 1 , f ( x n 1 )), ( x n , f ( x n )) ,
2. y 2 = x 3 () A(1,1) B(4,8)
7.r
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