The dimensions of a closed rectangular box are measured as 74 cm, 51 cm, and 50 cm, respectively, with a possible error of 0.2 cm in each dimension. Use differentials to estimate the maximum error in calculating the surface area of the box. (Round your answer to one decimal place.)

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter65: Achievement Review—section Six
Section: Chapter Questions
Problem 44AR: Solve these prism and cylinder exercises. Where necessary, round the answers to 2 decimal places...
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The dimensions of a closed rectangular box are measured as 74 cm, 51 cm, and 50 cm, respectively, with a possible error of 0.2 cm in each dimension. Use differentials to estimate the maximum error in calculating the surface area of the box. (Round your answer to one decimal place.)

Expert Solution
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For a function y=fxy,x,dy and dx represents partial derivative of y and x and then differential of y and x. 

limx0yx=dydx

when change in x is very small partial derivative of y with respect to x is same as differentiation of y with respect to x.

y=dydxx

x is known as error in x.

 

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