Integration Revision 3

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Oliver Seglah 12J

Definite Integration Integration is the reverse of differentiation. It can be used to calculate the area between the curve of a function and the axis. In definite integration you don’t need the constant (+c) as it would be cancelled out anyway in the subtraction.

( )



Limits: b is upper a is lower

[ ( )] The integrated equation

( ) Limits

( ) Substitute b as x

Substitute a as x

Example:

Some useful websites: http://www.mathsrevision.net/al evel/pages.php?page=18 http://www.examsolutions.co.uk/ A-Level-mathstutorials/Edexcel/C2/integration/r evision-guide.php

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