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Definite integral

391 bytes added, 20:10, December 30, 2008
added the definite integral pic
A '''definite integral''' is an [[integral]] with upper and lower limits.
 
[[Image:Definiteintegralnv7.gif|thumb|A definite integral.]]
 
==Definite Integrals==
 
A definite integral is the area under the curve between two points on the function. In the picture below, the yellow area is "positive" and the blue area is "negative". The integral is evaluated by adding the positive area together and subtracting the negative area.
 
[[Image:Definiteintegralnv7.gif]]
If the function f(x) is real rather than complex, then the definite integral is also known as a Riemann integral.
 
 
== See Also ==
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