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CHAPTER 3 INTEGRATION
We made a start in Grade 11 on Integration where we treated Anti-differentiation as the reverse of
differentiation.
We used rectangles or trapesiums to get an estimate of the area bounded by a curve and another
boundary. Then found the limit as the no of rectangles/ trapesiums tends to infinity to get a more accurate
approximation. [Riemann Sum formula].
We then moved onto the definite integral.
Gr12: Using the definite integral to find areas of more complex problems
1. Revision of concepts from Grade 11
a) Given in Exam Information Booklet