Concept of definite integralDefinition 1. Let
In the ith subinterval choose Remark. For equal width, i.e. divide Choose
|
Concept of definite integralDefinition 1. Let
In the ith subinterval choose Remark. For equal width, i.e. divide Choose
|
be a continuous function defined on 
divide the interval by the points 
from 
to 
into 
subintervals. (not necessarily equal width) such that when 
, the length of each subinterval will tend to zero.
for 
. If 
exists and is independent of the particular choice of 
and 
, then we have 
.
into 
, we have 
.
and 
or 
.
