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AP Calculus BC Flashcards: Riemann Sums, Summation Notation, and Definite Integral Notation

Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026

Review key ideas with interactive flashcards. This set includes 11 cards to help you master important concepts.

How can the limit of a Riemann sum be written in integral notation?
The limit of a Riemann sum can be written as a definite integral.
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How can the limit of a Riemann sum be written in integral notation?
The limit of a Riemann sum can be written as a definite integral.
What is the relationship between a Riemann sum and a definite integral?
The limit of an approximating Riemann sum can be interpreted as a definite integral.
What two components are multiplied to form each term in a Riemann sum?
Each term is a product of the value of the function at a point in a subinterval and the length of that subinterval.
What does the notation $\int_{a}^{b} f(x) dx$ specifically denote?
This notation denotes the definite integral of a continuous function $f$ over the interval $[a, b]$, which is found by taking the limit of Riemann sums.
What is the bidirectional relationship between Riemann sums and definite integrals?
A definite integral can be translated into the limit of a Riemann sum, and conversely, the limit of a Riemann sum can be written as a definite integral.
How do you represent the limiting case of a Riemann sum?
The limiting case of a Riemann sum is represented as a definite integral, such as $\int_{a}^{b} f(x) dx$.
How can a definite integral be translated into a sum?
A definite integral can be translated into the limit of a related Riemann sum.
What condition must be met for the limit of a Riemann sum to equal a definite integral?
For the limit of a Riemann sum to equal a definite integral, the widths of the subintervals must approach 0.
What is the definite integral of a continuous function $f$ over the interval $[a, b]$?
The definite integral, denoted by $\int_{a}^{b} f(x) dx$, is the limit of Riemann sums as the widths of the subintervals approach 0.
How should one interpret the limiting case of a Riemann sum?
The limiting case of the Riemann sum should be interpreted as a definite integral.
Define a Riemann sum.
A Riemann sum is the sum of products, where each product is the value of the function at a point in a subinterval multiplied by the length of that subinterval.