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Definite Integral Video Lecture | Calculus - Mathematics

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FAQs on Definite Integral Video Lecture - Calculus - Mathematics

1. What is a definite integral?
Ans. A definite integral is a mathematical concept used to calculate the area under a curve between two specific points on the graph. It represents the limit of a sum of infinitely many infinitesimally small areas. In simpler terms, it measures the total accumulation of a quantity over a given interval.
2. How is a definite integral denoted?
Ans. A definite integral is denoted by the symbol ∫, followed by the integrand (the function being integrated), a differential, and the interval of integration. For example, ∫f(x) dx represents the definite integral of the function f(x) with respect to x over a specified interval.
3. What is the significance of the upper and lower limits of integration in a definite integral?
Ans. The upper and lower limits of integration in a definite integral determine the interval over which the integration is performed. The lower limit represents the starting point of the interval, while the upper limit represents the endpoint. These limits define the specific region on the graph for which the area is being calculated.
4. How is the value of a definite integral calculated?
Ans. The value of a definite integral is calculated by evaluating the antiderivative (also known as the indefinite integral) of the integrand at the upper limit of integration and subtracting the antiderivative evaluated at the lower limit of integration. This process is often referred to as the Fundamental Theorem of Calculus.
5. What are some practical applications of definite integrals?
Ans. Definite integrals have various real-world applications. They are used to calculate areas of irregular shapes, find the total distance traveled by an object with varying velocity, determine the average value of a function over an interval, and solve problems related to motion, physics, economics, and other fields.
112 videos|65 docs|3 tests
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