The Trapezoidal Rule is a simple and powerful method used in numerical integration.

Описание: Instead of calculating the exact area under a curve, we approximate it by slicing the area into trapezoids.

The example in the video can be extended to a larger domain by applying the method repeatedly over smaller intervals.
Obviously, the shorter the distance between a and b (i.e. the smaller the subintervals), the better the approximation, but this comes at the cost of increased computation.

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