Calculating the area under a curve by subinterval construction.
![Illustration of calculating the area under a curve using subinterval construction. It shows partitioning an interval [a, b] into smaller subintervals, constructing rectangles with height equal to the function value at intermediate points, and approximating the area using Riemann sums.](https://www.network-graphics.com/wp-content/uploads/2024/09/subintervals_m.jpg)
This illustration depicts the concept of approximating the area under a curve by dividing it into subintervals and constructing rectangles. It demonstrates a fundamental technique in integral calculus known as Riemann sums. The diagram is separated into two parts.
This diagram is particularly useful for teaching integral calculus in textbooks, classroom settings, or online resources. It visually breaks down the logic of Riemann sums and is essential for students learning area approximation methods using integrals.
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