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Q. 15

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Calculus
Found in: Page 1119
Calculus

Calculus

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

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Short Answer

Use what you know about average value from previous sections to propose a formula for the average value of a multivariate function f(x, y, z) on a smooth surface S.

Hence, the average value of a multivariate function f(x,y,z) on a smooth surface S is,favg (S)=Sf(x,y,z)dSS1dS

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Step by Step Solution

Step 1. Given

The given function is f(x, y, z) .

Step 2. Finding the average value of multivariable function

Surface integrals of multivariate functions f(x,y,z) is,f(x, y, z) dS.The surface area of the smooth surface S is,S1dSHence, the average value of a multivariate function f(x,y,z) on a smooth surface S is,favg (S)=Sf(x,y,z)dSS1dS

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