In Exercises 33–38, find the linearization

Chapter 13, Problem 37E

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Bounding the Error in Linear Approximations In Exercises 33-38, find the linearization \(L(x, y)\) of the function \(f(x, y)\) at \(P_{0}\). Then find an upper bound for the magnitude \(|E|\) of the error in the approximation \(f(x, y) \approx L(x, y)\) over the rectangle \(R\).

\(f(x, y)=e^{x} \cos y\) at \(P_{0}(0,0)\),

\(R:|x| \leq 0.1,\ |y| \leq 0.1\)

(Use \(e^{x} \leq 1.11\) and \(|\cos y| \leq 1\) in estimating \(E\).)

Equation Transcription:

L(x,y)

f(x,y)

P0

|E|

f(x,y) approx L(x,y)

R

f(x,y)=ex cos⁡ y at P0 (0,0)

R: |x|  ≤  0.1, |y|  ≤  0.1

ex  ≤  1.11

|cos⁡y|  ≤  1

E

Text Transcription:

L(x,y)

f(x,y)

P_0

|E|

f(x,y)≈L(x,y)

R

f(x,y)=e^x cos⁡ y at P_0(0,0)

R: |x|  ≤  0.1, |y|  ≤  0.1

e^x  ≤  1.11

|cos⁡y|  ≤  1

E

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