Integration - Area under a graph

Integration - Area under a graph

Integration can be used to find the area bounded by a curve y = f(x), the x-axis and the lines x=a and x=b by using the following method.

area under graph

However, you must be very careful in the way you use this as the following examples will show.

example

In this tutorial I show you how to find the area bounded by a curve when it is above the x-axis.

example

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