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Q. 9

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Calculus
Found in: Page 1003
Calculus

Calculus

Book edition 1st
Author(s) Peter Kohn, Laura Taalman
Pages 1155 pages
ISBN 9781429241861

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Short Answer

Discuss the similarities and differences between the definition of the definite integral found in Chapter 4 and the definition of the double integral found in this section.

Ans: Riemann sum is the basic requirement for evaluating the integral.

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Step by Step Solution

Step 1. Given information: 

definite integral and double integral.

Step 2. Discussing the similarities and differences between the definition of the definite integral and double integral:

For a definite integral, equal to the limit of Riemann sum of a function of a single variable f(x) over a closed interval (say [a, b]) as the number of subintervals goes to .


Whereas, for a double integral, equal to the limit of a double Riemann sum of a function of two variables f(x, y) over a rectangular region defined in two directions x and y (say axb,cyd) that has been subdivided into smaller subrectangles in both the x and y directions as the numbers of subintervals in those two directions goes to .

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